Bathypelagic fish - Fish living in the bathypelagic environment

The bathyal zone or bathypelagic – from Greek βαθύς , deep – is the pelagic zone that extends from a depth of 1000 to 4000 meters below the ocean surface. It lies between the mesopelagic above, and the abyssopelagic below.

Order Anguilliformes

Muddy arrowtooth eel - The muddy arrowtooth eel, Ilyophis brunneus, is a cutthroat eel, the only species in the genus Ilyophis.

Leptocephalus bellottii

Black saw-toothed eel

Nessorhamphus danae

Bean's sawtooth eel

Nemichthys larseni

Avocettina acuticeps

Benthenchelys pacificus

Serrivomer garmani

Chlopsis longidens

Bathymyrus echinorhynchus

Saurenchelys taiwanensis

Acromycter longipectoralis

Leptocephalus congroides

Sawtooth eel - The Samoa sawtooth eel, Serrivomer samoensis, is a sawtooth eel of the genus Serrivomer, found in the south west Pacific at depths between 500 and 2,000 m.

Duckbill oceanic eel

Labichthys carinatus

Black sawtooth eel

Avocettina bowersii

Black serrivomerid eel - Stemonidium hypomelas is widely distributed in the Pacific Ocean and the southern Atlantic Ocean, at depths of 500-1,229 m.

Crossthroat sawpalate

Spotted snipe eel - The eel lives at depths of up to 2,000 m.

Benthenchelys indicus

Dogface witch-eel

Serrivomer schmidti

Narrownecked oceanic eel - The skin is scaleless and red-brown.

Labichthys yanoi

Serrivomer danae

Avocettina paucipora

Order Ateleopodiformes

Parateleopus microstomus

Order Aulopiformes

Naked barracuda

Stemonosudis bullisi

Barracudina

Longfin pearleye

Barracudina

Macroparalepis longilateralis

Evermannella ahlstromi

Daggertooth - Anotopterus vorax or south ocean daggertooth is a daggertooth described in 1913 by Regan.

Barracudina

Scopelarchoides signifer

Hammerjaw - The large head is dominated by a massive, truncated lower jaw and large, high-set eyes.

Coccorella atrata

Lestidiops indopacifica

Stemonosudis intermedia

Ahliesaurus berryi

Lestidium prolixum

Scopelosaurus gibbsi

Slender barracudina

Barracudina

Benthalbella elongata

Stemonosudis rothschildi

Paperbones

Chubby pearleye

Uncisudis longirostra

Scopelarchoides kreffti

Barracudina

Stemonosudis elegans

Lancet fish - Lancetfishes are large oceanic predatory fishes in the genus Alepisaurus , the only living genus in the family Alepisauridae.

Fierce pike smelt

Magnisudis indica

Atlantic barracudina

Scopelosaurus adleri

Benthalbella macropinna

Strange pike smelt

Barracudina

Evermannella megalops

Bigfin pearleye

Telescopefish

Scopelarchoides climax

Sharpchin barracudina

Ahliesaurus brevis

Japanese barracudina

Antarctic jonasfish

Paralepis speciosa

Scopelosaurus mauli

Lestidiops similis

Macroparalepis danae

Zugmayer's pearleye

Daggertooth - The North Pacific daggertooth, Anotopterus nikparini, is a daggertooth in the family Anotopteridae.

Scopelarchoides nicholsi

Stemonosudis siliquiventer

Undistinguished sabretooth

Uncisudis posteropelvis

Atlantic sabretooth

Lestidiops extrema

Stemonosudis gracilis

Conejo de lo alto - Lancetfishes are large oceanic predatory fishes in the genus Alepisaurus , the only living genus in the family Alepisauridae.

Lestidium bigelowi

Barracudina

Southern barracudina

White barracudina

Lestidiops pacificus

Macroparalepis nigra

Dolichosudis fuliginosa

Scopelosaurus craddocki

Pearleye

Scopelarchus stephensi

Scopelarchoides danae

Stemonosudis molesta

Uncisudis advena

Order Beryciformes

Slimy head

Hoplostethus melanopterus

Parinoberyx horridus

Hoplostethus tenebricus

Hoplostethus druzhinini

Parin's spiny fin

Hoplostethus shubnikovi

Hoplostethus mikhailini

Flintperch

Paratrachichthys sajademalensis

Hoplostethus confinis

Common fangtooth - While understandably named for their disproportionately large, fang-like teeth and unapproachable visage, fangtooths are actually quite small and harmless to humans: the larger of the two species, the common fangtooth, reaches a maximum length of just 16 centimetres ; the shortthorn fangtooth is about half this size.

Hoplostethus rifti

Aulotrachichthys latus

Slimy head

Parmops echinatus

Paratrachichthys argyrophanus

Hoplostethus fedorovi

Longwing spinyfin

Atlantic roughy

Hoplostethus marisrubri

Common roughy - The sandpaper fish or common roughy, Paratrachichthys trailli, is a slimehead belonging to the family Trachichthyidae, found in southern Australia and southern New Zealand at depths of between 50 and 400 m.

Hoplostethus crassispinus

Hoplostethus rubellopterus

Aulotrachichthys prosthemius

Hoplostethus metallicus

Paratrachichthys fernandezianus

Hoplostethus fragilis

Hoplostethus abramovi

Diretmoides veriginae

Shorthorn fangtooth - While understandably named for their disproportionately large, fang-like teeth and unapproachable visage, fangtooths are actually quite small and harmless to humans: the larger of the two species, the common fangtooth, reaches a maximum length of just 16 centimetres ; the shortthorn fangtooth is about half this size.

Order Carcharhiniformes

Springer's sawtail cat shark - The Springer's sawtail cat shark, Galeus springeri, is a cat shark of the family Scyliorhinidae found in the western central Atlantic from Lesser Antilles, Puerto Rico, the north coast of Hispaniola, and Cuba, at depths of between 450 and 700 m.

Australian reticulate swellshark - Once thought to be the same species as the reticulated swellshark of Vietnam and Hainan, the Australian reticulate swellshark was described as a separate species by William White and David Ebert in a 2008 Commonwealth Scientific and Industrial Research Organisation publication.

Pale spotted catshark - The pale spotted spotted catshark, Asymbolus pallidus, is a cat shark of the family Scyliorhinidae found only off Queensland, at depths of between 225 and 400 m.

Stout catshark - Apristurus fedorovi, or Federov's catshark, is a cat shark of the family Scyliorhinidae.

Fat catshark - Apristurus pinguis, the fat catshark, is a cat shark of the family Scyliorhinidae found only in deep water in the East China Sea.

White ghost catshark - Apristurus aphyodes, the white ghost catshark, is a cat shark of the family Scyliorhinidae found in deep water in the northeast Atlantic between latitudes 57°N and 58°N.

Saddled swellshark - In 1994, Commonwealth Scientific and Industrial Research Organisation chief researchers Peter Last and John Stevens recognized five undescribed swellsharks in Australian waters.

Apristurus internatus - Reproduction is oviparous.

Whitefin swellshark - Early specimens of the whitefin swellshark were often mistaken for the Australian swellshark or the draughtsboard shark .

Spatulasnout cat shark - The spatulasnout cat shark, Apristurus platyrhynchus, is a cat shark of the family Scyliorhinidae found in the western Pacific between latitudes 35° N and 1° N.

Apristurus australis - The pinocchio catshark, Apristurus australis, is a species of fish in the Scyliorhinidae family.

Narrowbar swellshark - In 1994, Commonwealth Scientific and Industrial Research Organisation chief researchers Peter Last and John Stevens applied the provisional name Cephaloscyllium "sp.

Black roughscale catshark - The flatnose cat shark, Apristurus acanutus, is a cat shark of the family Scyliorhinidae found in the northwest Pacific Ocean off Zhujiang, South China Sea.

Haploblepharus kistnasamyi - This species was once considered to be the "Natal" form of the puffadder shyshark, which differed from the main "Cape" form in appearance and habitat preferences.

Order Cetomimiformes

Flabby whalefish - Gyrinomimus grahami is a flabby whalefish of the genus Gyrinomimus, found in all the southern oceans.

Savage's birdsnouted whalefish

Danacetichthys galathenus

Cetomimus gillii

Parataeniophorus gulosus

Trunov southern cetomimid

Megalomycter teevani

Cetomimus picklei

Ditropichthys storeri

Cetichthys indagator

Gyrinomimus myersi

Ataxolepis apus

Vitiaziella cubiceps

Pink flabby whalefish

Whalefish

Gyrinomimus bruuni

Festive ribbonfish

Cetomimus teevani

Cetichthys parini

Gyrinomimus simplex

Parataeniophorus brevis

Redmouth whalefish - Like the plant genus of the same name, this genus is named after Guillaume Rondelet.

Ataxolepis henactis

Procetichthys kreffti

Cetomimus kerdops

Order Chimaeriformes

Gal

Hydrolagus lusitanicus

Order Gadiformes

Myers' grenadier

Tripterophycis svetovidovi

Whitson's grenadier

Coryphaenoides grahami

Gadella edelmanni

Coryphaenoides striaturus

Pugnose grenadier

Parin's grenadier

Physiculus parini

Large-eye grenadier

Globehead grenadier

Dusky rattail

Striped codlet

Hymenocephalus striatulus

Kumba punctulata

Morid cod - The slender codling or slender cod, Halargyreus johnsonii, is a morid cod, the only species in the genus Halargyreus.

Kumba gymnorhynchus

Smallhead moray cod

Coryphaenoides spinulosus

Echinomacrurus mollis

Mediterranean grenadier

Threadfin grenadier

Carmine grenadier

Physiculus sazonovi

Trachonurus sentipellis

Shortbeard grenadier

Javelin fish - The thorntooth grenadier or javelin fish, Lepidorhynchus denticulatus , is a rattail, the only member of the genus Lepidorhynchus, found around southern Australia and New Zealand, at depths of between 200 and 1,000 m.

Blunt-nosed grenadier

Physiculus longifilis

Naked snout rattail

Laemonema melanurum

Ventrifossa paxtoni

Dogtooth grenadier

Hymenocephalus barbatulus

Berry's grenadier

Kumba maculisquama

Coelorinchus trunovi

Sturgeon-like grenadier fish

Goggly-eyed cod - The common mora, Mora moro, is a small deep-sea fish, the only species in the genus Mora.

Bighead grenadier - The rudis rattail, Coryphaenoides rudis, is a fish of the family Macrouridae, found around the world in tropical and subtropical oceans, at depths between 600 and 2,300 m.

Coryphaenoides macrolophus

Doublethread grenadier

Arctic cod - It is widely distributed in the western part of the Arctic basin, also the northwest and northeast coasts of Greenland.

Sphagemacrurus pumiliceps

Bluntsnout grenadier

Physiculus peregrinus

Coryphaenoides camurus

Patagonian codling

Grenadier fish

Finescale mora

Arrowtail

Hymenocephalus antraeus

Roundhead grenadier

Kumba hebetata

Coelorinchus melanosagmatus

Coryphaenoides microps

Rhynchogadus hepaticus

Gadomus multifilis

Macrouroides inflaticeps

Bristly grenadier

Grenadier

Gadella brocca

Physiculus therosideros

Bluntnose grenadier

Physiculus nigriscens

Narrowsnout grenadier

Bighead mora

Graceful grenadier - This is one of the smallest of the rattails, growing to no more than 13 cm in length.

Kumba musorstom

Coelorinchus vityazae

Slendertail grenadier

Kumba calvifrons

Muraenolepis andriashevi

Coryphaenoides semiscaber

Squalogadus modificatus

Coryphaenoides mcmillani

Gadomus capensis

Sphagemacrurus richardi

Guttigadus nudicephalus

Kaiwi Channel grenadier

Physiculus roseus

Bighead grenadier

Nezumia cyrano

Bathygadus spongiceps

Fragile grenadier

Couch's whiting - Exploitation of blue whiting only started in the 1970s.

Hymenocephalus aterrimus

Bathypelagic rattail

Kumba japonica - This fish reaches a length of up to 18 cm.

Coelorinchus nazcaensis

Order Lampriformes

Taper-tail ribbonfish

Sticklebacks - It is found in deep subtropical and tropical waters around the world, living at depths during the day and making nightly vertical migrations to feed on plankton.

Crested oarfish

Unicorn crestfish - The unicorn crestfish or unicornfish, Eumecichthys fiski, is a very rare, little-known species of crestfish in the family Lophotidae, and the only member of its genus.

Regalecus russelii

Dealfish

Southern ribbonfish

Scalloped ribbon fish - The scalloped ribbonfish, Zu cristatus, is a ribbonfish of the family Trachipteridae found circumglobally in all oceans, at depths down to 90 m.

Ribbon fish - Trachipterus trachypterus, is a ribbonfish of the family Trachipteridae, found in tropical and subtropical seas worldwide.

Order Lophiiformes

Gigantactis longicirra

Himantolophus mauli

Oneirodes micronema

Himantolophus crinitus

Oneirodes kreffti

Dolopichthys karsteni

Acentrophryne longidens

Gigantactis gracilicauda

Prickly dreamer - Spiniphryne, also called spiny dreamers, is a genus of deep-sea anglerfish in the family Oneirodidae, containing two species.

Pietschichthys horridus

Linophryne racemifera

Gigantactis balushkini

Linophryne maderensis

Himantolophus azurlucens

Oneirodes dicromischus

Bufoceratias shaoi

Linophryne digitopogon

Haplophryne triregium

Oneirodes bradburyae

Spiny dreamer

Lasiognathus waltoni - The closest relative of Lasiognathus is Thaumatichthys, which also has enlarged and hinged premaxillaries, escal denticles, and a branched upper operculum.

Oneirodes rosenblatti

Gigantactis watermani

Linophryne bicornis

Stargazing seadevil

Diceratias trilobus

Himantolophus nigricornis

Smooth anglerfish

Gigantactis microdontis

Linophryne algibarbata

Gigantactis kreffti

Himantolophus macroceras

Oneirodes macrosteus

Rhynchactis microthrix

Dolopichthys dinema

Ctenochirichthys longimanus

Gigantactis gibbsi

Caulophryne pietschi

Linophryne polypogon

Himantolophus compressus

Oneirodes haplonema

Smooth dreamer

Himantolophus albinares

Oneirodes clarkei

Linophryne lucifer

Linophryne coronata

Oneirodes appendixus

Oneirodes schmidti

Lasiognathus intermedius - The closest relative of Lasiognathus is Thaumatichthys, which also has enlarged and hinged premaxillaries, escal denticles, and a branched upper operculum.

Murray's abyssal anglerfish

Gigantactis savagei

Linophryne arcturi

Pacific footballfish

Oneirodes posti

Himantolophus melanolophus

Oneirodes mirus

Robia legula

Gigantactis macronema

Photocorynus spiniceps - The known mature male individuals are 6.

Whalehead dreamer

Linophryne sexfilis

Himantolophus danae

Oneirodes luetkeni

Dolopichthys pullatus

Rhynchactis leptonema

Gigantactis herwigi

Gigantactis elsmani

Linophryne parini

Himantolophus borealis

Nightmare dreamer

Oneirodes thysanema

Bufoceratias thele

Phyllorhinichthys balushkini - P.

Linophryne escaramosa

Bulbous dreamer

Short-rod anglerfish

Oneirodes alius

Oneirodes sabex

Lasiognathus amphirhamphus - The closest relative of Lasiognathus is Thaumatichthys, which also has enlarged and hinged premaxillaries, escal denticles, and a branched upper operculum.

Danaphryne nigrifilis

Linophryne bipennata

Melanocetus eustalus

Gigantactis microphthalmus

Linophryne andersoni

Torpedo batfish

Himantolophus paucifilosus

Oneirodes pietschi

Tyrannophryne pugnax - The most distinctive feature of T.

Gigantactis longicauda

Pentherichthys venustus

Chirophryne xenolophus

Himantolophus macroceratoides

Oneirodes melanocauda

Himantolophus cornifer

Oneirodes heteronema

Dolopichthys jubatus

Acentrophryne dolichonema

Gigantactis golovani

Spiniphryne duhameli - Spiniphryne, also called spiny dreamers, is a genus of deep-sea anglerfish in the family Oneirodidae, containing two species.

Caulophryne polynema

Linophryne quinqueramosa

Linophryne macrodon

Chaenophryne ramifera

Prickly anglerfish - The prickly anglerfish, Himantolophus appelii, is a footballfish of the family Himantolophidae, found around the world in the southern oceans , in deep water.

Oneirodes cristatus

Plainchin dreamarm

Linophryne densiramus

Haplophryne mollis - Some anglerfishes of the superfamily Ceratioidei employ an unusual mating method.

Oneirodes basili

Oneirodes theodoritissieri

Lasiognathus saccostoma - The closest relative of Lasiognathus is Thaumatichthys, which also has enlarged and hinged premaxillaries, escal denticles, and a branched upper operculum.

Melanocetus rossi

Cosmopolitan whipnose

Linophryne argyresca

Oneirodes pterurus

Lophodolos indicus

Two-rod anglerfish

Himantolophus multifurcatus

Oneirodes myrionemus

Gigantactis meadi

Gigantactis ios

Horned lantern fish - The horned lantern fish occurs in the Pacific Ocean from Baja California south to the Marquesas Islands and the Gulf of California.

Linophryne trewavasae

Atlantic footballfish

Oneirodes macronema

Rhynchactis macrothrix

Triplewart seadevil

Gigantactis gargantua

Caulophryne pelagica

Linophryne pennibarbata

Himantolophus brevirostris

Oneirodes flagellifer

Puck pinnata

Oneirodes whitleyi

Bufoceratias wedli

Phyllorhinichthys micractis - P.

Linophryne indica

Smooth dreamer

Bulbous dreamer

Linophryne brevibarbata

Oneirodes anisacanthus

Oneirodes schistonema

Lasiognathus beebei - The closest relative of Lasiognathus is Thaumatichthys, which also has enlarged and hinged premaxillaries, escal denticles, and a branched upper operculum.

Blackdevil - The humpback anglerfish or blackdevil, Melanocetus johnsonii, is a deep-sea anglerfish in the family Melanocetidae, found in tropical to temperate parts of all oceans at depths of up to 2,000 meters .

Gigantactis paxtoni

Deepsea angler - Linophryne arborifera, or illuminated netdevil, is an anglerfish of the family Linophrynidae, found in all tropical and subtropical oceans at depths below 1,000 m .

Himantolophus pseudalbinares

Oneirodes plagionema

Order Myctophiformes

Broadfin lampfish

Bolinichthys nikolayi

Lanternfish

Diaphus handi

Cocco's lantern fish

Symbolophorus rufinus

Diaphus umbroculus

Slimtail lampfish

Diaphus subtilis

Lanternfish

Lampanyctus hubbsi

Nannobrachium indicum

Skinnycheek lanternfish

Diaphus drachmanni

Pig-headed lantern fish

Gymnoscopelus hintonoides

Electron subantarctic

Lanternfish

Lanternfish

Protomyctophum bolini

Mirror lanterfish

Nannobrachium cuprarium

Diaphus aliciae

Slendertail lanternfish

Diaphus ostenfeldi

Lanternfish

Spiny lantern fish

Lantern fish

Smallfin lanternfish

Diaphus megalops

Metelectrona ventralis

Diaphus kuroshio

Japanese lanternfish

Taaningichthys minimus

Longfin lampfish

Electrona antarctica

Lanternfish

Lanternfish

Hygophum bruuni

Fragile lantern fish

Gymnoscopelus opisthopterus

Barnards lanternfishes - Symbolophorus barnardi is a lanternfish in the family Myctophidae, found circumglobally in the southern hemisphere between about 30° S and 11° S at depths of between 100 and 800 m.

Diaphus thiollierei

Triphoturus oculeum

Lanternfish

Nannobrachium phyllisae

Lampanyctus

Lanternfish

Diaphus dahlgreni

Gymnoscopelus braueri

Diaphus similis

Protomyctophum gemmatum

Spinytail lampfish

Transparent lantern fish

Protomyctophum andriashevi

Lanternfish

Nannobrachium bristori

Diaphus arabicus

Gonichthys barnesi

Large-scaled lantern fish

Lanternfish

Tarletonbeania taylori

Spotted laternfish

Pacific blackchin

Diaphus lucidus

Myctophum indicum

Lampanyctus vadulus

Diaphus whitleyi

Lanternfish

Nannobrachium wisneri

Lanternfish

Lantern fish

Hudson's lanternfish

Topside lampfish

Krefftichthys anderssoni

Diaphus ehrhorni

Gymnoscopelus microlampas

Diaphus taaningi

Protomyctophum parallelum

Lampanyctus iselinoides

Lanternfish

Smallfin lanternfish

Thickhead lanternfish

Electrona paucirastra - Electrona paucirastra is a lanternfish in the family Myctophidae, found around the globe in the southern hemisphere between 35° S and 48° S.

Short-headed lantern fish

Diaphus richardsoni

Protomyctophum chilense

Lampadena urophaos atlantica

Nannobrachium fernae

Lantern fish

Andersen's lantern fish

Gonichthys venetus

Diaphus pallidus

Lampadena dea

Spothead lantern fish

Lanternfish

Garnet lanternfish

Diaphus lobatus

Horned lanternfish

Lanternfish

Taaningichthys paurolychnus

Longfin lanternfish

Golden lanternfish

Lampanyctus tenuiformis

Popeye lampfish

Lanternfish

Diaphus garmani

Doflein's false headlightfish

Evermann's lantern fish

Diaphus trachops

Rakery beaconlamp

Pinpoint lampfish

Lanternfish

Protomyctophum luciferum

Lanternfish

Nannobrachium idostigma

Spinycheek lanternfish

Diaphus dehaveni

Gymnoscopelus fraseri

Diaphus basileusi

Bolin's lantern fish

Arctic telescope

Lampadena pontifex

Nannobrachium crypticum

Gilbert's large lantern fish

Lanternfish

Neoscopelus microchir

Diaphus nielseni

Wisner's lantern fish

Mead's lanternfish

Metelectrona ahlstromi

Myctophum lychnobium

Hintonia candens

Lanternfish

Diaphus jenseni

Lobisomem

Lanternfish

Lampanyctus simulator

Reinhardt's lantern fish

Parvilux boschmai

Benoit's lanternfish

Diaphus faustinoi

Lanternfish

Taaning's lantern fish

Bigeye lanternfish

Highseas lampfish

Brokenline lanternfish

Black lantern fish

Chubby flashlightfish

Golden-nosed lantern fish

Diaphus roei

Lanternfish

Lampadena yaquinae

Nannobrachium gibbsi

Lanternfish

Lanternfish

Diaphus antonbruuni

Diaphus parri

Lanternfish

Diaphus minax

Blue lanternfish

Myctophum orientale

Diaphus longleyi

Warming's lantern fish - Warming's lantern fish, Ceratoscopelus warmingii, is a lanternfish of the family Myctophidae, found circumglobally in both hemispheres, at depths of between 700 and 1,500 m during the day and between 20 and 200 m at night.

Laura's lantern fish

Myctophum fissunovi

Lampanyctus turneri

Order Notacanthiformes

Halosaurus parvipennis

Polyacanthonotus africanus

Aldrovandia rostrata

Halosaurus carinicauda

Aldrovandia gracilis - Aldrovandia gracilis is a species of fish in the Halosauridae family.

Bonapart's spiny eel

Halosaurus sinensis

Longnose tapirfish

Halosaur

Aldrovandia oleosa

Notacanthus indicus

Halosaurus attenuatus

Order Ophidiiformes

Alcockia rostrata

Parabrotula tanseimaru

Barathronus parfaiti

Aphyonus bolini

Barathronus bicolor

Thalassobathia nelsoni

Lamprogrammus niger

Gunther's cuskeel

Bony-eared assfish

Barathronus multidens

Apagesoma edentatum

Brotulotaenia nielseni

Two-spined slopebrotula

Leucobrotula adipata

Abyssobrotula galatheae - Though uncommon, this species is known from the tropical and subtropical waters of all oceans.

Nielsen's catetyx

Barathronus unicolor

Aphyonus brevidorsalis

Barathronus bruuni

Pelagic brotula

Brotulotaenia brevicauda

Parabrotula plagiophthalmus

Bassozetus zenkevitchi

Barathronus pacificus

Brotulotaenia nigra

Barathrites parri

Marshall slopebrotula

Barathronus diaphanus

Apagesoma delosommatus

Violet cuskeel

Order Osmeriformes

Abyssal smooth-head

Searsioides multispinus

Mentodus eubranchus

Snubnose blacksmelt

Schnakenbeck's searsid

Bathylagus niger

Leptoderma lubricum

Nansenia sanrikuensis

Normichthys yahganorum

Bluethroat argentine

Bathylagichthys longipinnis

Dolichopteryx rostrata

Bluntsnout smooth-head - The bluntsnout smooth-head, black slickhead, cope's bluntsnout smooth-head, or Atlantic gymnast, Xenodermichthys copei, is a slickhead of the genus Xenodermichthys, found in the Atlantic, Indian, and Pacific oceans, and the Tasman Sea, at depths of 100 to 2,600 m.

Starry smooth-head

Rouleina nuda

Dolichopteryx anascopa

Murray's smooth-head

Streaklight tubeshoulder

Bathytroctes squamosus

Asquamiceps hjorti

Conocara bertelseni

Bighead searsid

Matsuichthys aequipinnis

Bathytroctes macrognathus

Deep-sea smelt

Brown slickhead

Threadfin slickhead

Rouleina eucla

Mentodus mesalirus

Nansenia antarctica

Narcetes lloydi

Pectinantus parini

Mentodus bythios

Leaf searsid

Eared blacksmelt

California smoothtongue

Shining tubeshoulder

Koefoed's searsid

Bruce's argentine

Vaillant's smooth-head

Nansenia longicauda

Normichthys herringi

Barbantus elongatus

Pacific barreleye - Macropinna microstoma is the only species of fish in the genus Macropinna, belonging to Opisthoproctidae, the barreleye family. M.

Bathylagus borealis

Bathylaco nielseni

Dolichopteryx minuscula

Mirrorbelly - The 'mirrorbelly' or 'barreleye' is a barreleye of the genus Opisthoproctus, is found in most deep tropical and subtropical oceans and seas, from depths of 200 to 2,000 m.

Bajacalifornia microstoma

Norman's smooth-head

Rouleina livida

Longfin smooth-head

Holtbyrnia intermedia

Maulisia isaacsi

Smallscale smooth-head

Bajacalifornia aequatoris

Antillean smooth-head

Robust blacksmelt

Bathytroctes elegans

Toothless smooth-head

Mentodus facilis

Blackchin blacksmelt

Leptoderma retropinna

Nansenia tenuicauda

Greenland argentine

Bathylagoides argyrogaster

Dolichopteryx trunovi

Dolichopteryx binocularis

Salmon smooth-head

Holtbyrnia ophiocephala

Bathytroctes zugmayeri

Krefft's smooth-head

Bluntsnout slickhead

Fanfin smooth-head

Threadfin smooth-head

Rouleina euryops

Fiolenti's smooth-head

Holtbyrnia conocephala

Maulisia acuticeps

Koefoed's smooth-head

Bajacalifornia erimoensis

Mentodus perforatus

Searsioides calvala

Blackhead salmon

Mentodus crassus

Bathylagus tenuis

Sagamichthys gracilis

Argentine - Argentina striata is a species of fish in the Argentinidae family.

Ghost smelt

Leptoderma affinis

Nansenia megalopa

Multipore searsid

Boneythroat

Winged spookfish

Barrel-eye

Madeiran smooth-head

Longsnout blacksmelt

Elongate smooth-head

Holtbyrnia laticauda

Smallscale searsid

Bathytroctes pappenheimi

Asquamiceps caeruleus

Bajacalifornia arcylepis

Hairfin smooth-head

Softskin smooth-head

Bathytroctes inspector

Mentodus longirostris

Fangtooth smooth-head

Loosescale smooth-head

Nansenia ahlstromi

Northern smooth-tongue - The Northen smoothtongue is a type of deepwater fish that can grow to a length of 15 centimetres .

Binghamichthys aphos

Narcetes erimelas

Legless searsid

Pacific black smelt

Nansenia iberica

Palebelly searsid

Bathylagus andriashevi

Agassiz' smooth-head

Rouleina watasei

Dolichopteryx brachyrhynchus

Werner's smooth-head

Winteria telescopa

Pygmy argentine

Bigeye smooth-head

Rouleina guentheri

Conocara kreffti

Teardrop tubeshoulder

Palegold searsid

Michael Sars smooth-head

Bathytroctes breviceps

Order Perciformes

Escolar

Plectranthias parini

Kali parri

Malakichthys levis

Kali falx

Bigmouth veilfin

Gaper

Tonga escolar

Pseudoscopelus scutatus

Melanostigma inexpectatum

Lycodapus microchir

Pseudoscopelus microps

Pseudoscopelus aphos

Lycodapus

Bathyclupea argentea

Tasmanian ruffe

African barrelfish

Rosenblattia robusta - Rosenblattia robusta is a species of deepwater cardinalfish, the only member of the genus Rosenblattia, found around the world in southern temperate waters.

Atrobucca geniae

Kali macrura

Black swallower

Paracaristius maderensis

Barracuda cardinalfish

Howella zina

Pseudoscopelus pierbartus

Melanostigma vitiazi

Melanostigma bathium

Bigtooth eelpout

Deepsea herring

Pseudoscopelus cephalus

Seleniolycus robertsi

Malakichthys mochizuki

Plectranthias robertsi

Thinlip splitfin

Blackfish - The rudderfish, Centrolophus niger , is a medusafish, the only member of the genus Centrolophus.

Platyberyx opalescens

Kali indica

Cocoa snapper

Howella parini

G

Pseudoscopelus stellatus

Pseudoscopelus obtusifrons

Melanostigma orientale

Stout slipskin

Lycodapus derjugini

Bathyclupea gracilis

Pseudoscopelus astronesthidens

Seleniolycus laevifasciatus

Eumegistus brevorti

Blue driftfish

Trewavas croaker

Plectranthias pallidus

Kali normani

Malakichthys barbatus

Longfin fathead

Ericandersonia sagamia - Ericandersonia sagamia is a newly-described eelpout of the family Zoarcidae, found in Sagami Bay, Japan, at depths of between 880 and 930 m.

Kali colubrina

Caristius groenlandicus

Pseudoscopelus sagamianus

Cutlassfish

Limp eelpout - The limp eelpout, Melanostigma gelatinosum, is an eelpout, of the genus Melanostigma, found in all oceans at depths of between 50 and 2,500 m.

Pale eelpout

Bathyclupea megaceps

Squaretail - The smalleye squaretail, Tetragonurus cuvieri, is a squaretail of the genus Tetragonurus found in all tropical and temperate oceans of the world, at depths up to 800 m.

Pseudoscopelus lavenbergi

White warehou - The white warehou, Seriolella caerulea, is a medusafish of the family Centrolophidae found in the southern Pacific and southern Atlantic oceans, at depths of between 500 and 800 m.

Bothrocara nyx

Lycenchelys imamurai

Pseudoscopelus altipinnis

Malakichthys similis

New Zealand ruffe

Ariommid

Aethotaxis mitopteryx pawsoni

Kali macrodon

Dysalotus oligoscolus

Paracaristius heemstrai

Sherborn's cardinalfish

Pachycara dolichaulus

Pseudoscopelus parini

Midwater eelpout

Fan-tailed rag-fish - The ragfish body is scaleless and limp, both because of the cartilaginous skeleton, as well as its flabby muscles.

Stubraker sculpin

Atlantic soft pout

Silver splitfin

Deepwater slipskin

Bathyclupea hoskynii

Pseudoscopelus bothrorrhinos

Seleniolycus pectoralis

Brilliant pomfret

Eyebrow - The bluefin driftfish or scissortail, Psenes pellucidus, is a pelagic driftfish of the genus Psenes, found in all the world's oceans at depths down to 1,000 m.

Order Pleuronectiformes

Smallmouth moonflounder

Bathysolea lactea

Deepwater sole

Order Polymixiiformes

Japanese beardfish

Order Saccopharyngiformes

Monognathus ozawai

Saccopharynx ramosus

Gulper

Monognathus herringi

Monognathus smithi

Monognathus jesse

Saccopharynx lavenbergi

Monognathus boehlkei

Gulper eel

Monognathus rajui

Saccopharynx thalassa

Saccopharynx harrisoni

Monognathus isaacsi

Monognathus berteli

Neocyema erythrosoma - The bobtail snipe eels are two species of deep-sea fishes in the family Cyematidae, one only in each of two genera.

Monognathus taningi

Monognathus nigeli

Saccopharynx paucovertebratis

Monognathus bruuni

Saccopharynx berteli

Pelican eel - The pelican eel's most notable feature is its enormous mouth, much larger than its body.

Monognathus rosenblatti

Saccopharynx trilobatus

Monognathus jesperseni

Saccopharynx hjorti

Monognathus bertini

Bobtail eel - The bobtail snipe eels are two species of deep-sea fishes in the family Cyematidae, one only in each of two genera.

Order Scorpaeniformes

Edentoliparis terraenovae

Paraliparis carlbondi

Notoliparis antonbruuni

Multipore dwarf snailfish

Stein's dwarf snailfish

Squaloliparis dentatus

Gelatinous dwarf snailfish

Careproctus marginatus

Marvelous dwarf snailfish

Paraliparis skeliphrus

Genioliparis ferox

Deepwater rockfish - S.

Tadpole liparid

Short-headed sculpin

Icelus mandibularis

Smalleye dwarf snailfish

Midwater scorpionfish

Sargasso dwarf snailfish

Genioliparis kafanovi

Blackmouth rockfish

Acantholiparis caecus

Order Squaliformes

Lantern sharks - Reproduction is ovoviviparous.

Whitetail dogfish - The whitetail dogfish is a rare species known only from a few specimens taken by tuna longliners and trawlers.

Cylindrical lantern shark - Reproduction is presumed to be ovoviviparous.

Pocket shark - The pocket shark is a very poorly known deepwater shark recorded from the Nazca Submarine Ridge off northern Chile.

Etmopterus dislineatus - Reproduction is ovoviviparous.

Granular dogfish - The granular dogfish has no anal fin, two dorsal spines with the second one much larger than the first, a large second dorsal fin, a long abdomen, small pectoral and pelvic fins, a large eye, prominent nostrils and spiracles, and brownish-black coloration.

Largetooth cookie-cutter shark - The largetooth cookiecutter shark was originally described by New Zealand ichthyologist Jack Garrick and American shark expert Stewart Springer, in a 1964 issue of the scientific journal Copeia.

Pygmy shark - Pygmy sharks are ovoviviparous and produce about 8 young in each litter.

Dwarf lantern shark - American ichthyologists Stewart Springer and George H.

Azores dogfish - The Azores dogfish, Scymnodalatias garricki, is a very rare sleeper shark of the family Dalatiidae.

Etmopterus caudistigmus - Reproduction is ovoviviparous.

Spined pygmy shark - The spined pygmy shark, Squaliolus laticaudus, is a species of dogfish shark in the family Dalatiidae found widely in all oceans.

Cigar shark - The cookiecutter shark , also called the cigar shark, is a species of small dogfish shark in the family Dalatiidae.

Lantern sharks - Japanese ichthyologists Shigeru Shirai and Hiroyuki Tachikawa described the blurred lanternshark in a 1993 article in the scientific journal Copeia, as part of a taxonomic revision of the Etmopterus pusillus species group.

Rasptooth dogfish - The rasptooth dogfish, Miroscyllium sheikoi, is a dogfish, the only species in the genus Miroscyllium, found on the Kyushu-Palau Ridge in the northwest Pacific Ocean at depths of 360 m.

Etmopterus pseudosqualiolus - The false lanternshark, Etmopterus pseudosqualiolus, is a shark of the family Dalatiidae found in the western Pacific from the Norfolk Ridge and Lord Howe Ridge off New Caledonia.

Etmopterus dianthus - Reproduction is ovoviviparous.

Knifetooth dogfish - The knifetooth dogfish, Scymnodon ringens, is a harmless sleeper shark of the family Dalatiidae, found in the eastern Atlantic, from Scotland to Spain, Portugal, and Senegal, and the southwest Pacific from New Zealand, between latitudes 58°N and 15°N, at depths of between 200 and 1,600 m.

Isistius labialis - Reproduction is aplacental viviparity in the same way as great white sharks.

Japanese velvet dogfish - The Japanese velvet dogfish, Zameus ichiharai, is a harmless deepwater sleeper shark of the family Dalatiidae, found in the northwest Pacific from Suruga Bay and adjacent waters of Japan at depths of between 500 and 800 m.

Order Stephanoberyciformes

Bigscale

Ridgehead

Melamphaes macrocephalus

Scopelogadus unispinis

Bigscale

Abyssoberyx levisquamosus

Melamphaes indicus

Yawning - The yawning, Poromitra oscitans, is a fish of the family Melamphaidae, found in tropical and subtropical waters of the indo-Pacific region.

Bigscale

Gibberfish

Melamphaes hubbsi

Ridgehead

Melamphaes polylepis

Malacosarcus macrostoma

Ridgehead

Scopelogadus beanii

Poromitra gibbsi

Melamphaes ebelingi

Melamphaes spinifer

Melamphaes parini

Melamphaes laeviceps

Longjaw bigscale

Poromitra unicornis

Ridgehead

Melamphaes pumilus

Slender bigscale

Highsnout bigscale

Twospine bigscale

Bigscale

Scopeloberyx microlepis

Melamphaes eulepis

Ridgehead

Little bigscale

Melamphaes leprus

Ridgehead

Large-headed midnight fish

Order Stomiiformes

Leptostomias robustus

Cyclothone obscura

Hatchetfish - Phosichthys argenteus, a lightfish and the only member of the genus Phosichthys, is found in deep subtropical waters of all oceans, from depths of 500 to 2,000 m.

Eustomias curtifilis

Highfin dragonfish

Scaleless dragonfish

Eustomias parri

Half-naked hatchetfish

Astronesthes lampara

Astronesthes indicus

Argyripnus iridescens

Chauliodus pammelas

Eustomias monoclonoides

Maurolicus stehmanni

Benttooth bristlemouth

Melanostomias pollicifer

Eustomias cirritus

Bathophilus altipinnis

Araiophos eastropas

Astronesthes galapagensis

Astronesthes splendida

Melanostomias globulifer

Torpedo dragonfish

Eustomias braueri

Stomias danae

Eustomias mesostenus

Opostomias micripnus

Maurolicus kornilovorum

Eustomias bibulboides

Ichthyococcus parini

Eustomias macronema

Eustomias tomentosis

Maurolicus australis

Oceanic lightfish - The oceanic lightfish, Vinciguerria nimbaria, a lightfish of the genus Vinciguerria, is found in all deep tropical and subtropical oceans and seas, from depths of 20 to 5,000 m.

Astronesthes chrysophekadion

Snaggletooth

Eustomias satterleei

Photonectes margarita

Eustomias aequatorialis

Eustomias interruptus

Eustomias elongatus

Bathophilus kingi

Eustomias pinnatus

Manducus maderensis

Slender bristlemouth

Borostomias elucens

Photonectes albipennis

Aristostomias grimaldii

Snaggletooth

Garrick

Eustomias cryptobulbus

Scaleless black dragonfish

Eustomias pacificus

Leptostomias longibarba

Pacific hatchet fish

Astronesthes kreffti

Astronesthes haplophos

Pachystomias microdon

Scaleless dragonfish

Maurolicus parvipinnis

Astronesthes trifibulatus

Tentacle dragonfish

Eustomias bulbornatus

Scaly dragonfish

Pacific viperfish - Pacific viperfish can be characterized by its large mouth, long fang-like teeth and long dorsal fin ray .

Eustomias micropterygius

Eustomias medusa

Thorophos nexilis

Eustomias vitiazi

Maurolicus inventionis

Hatchetfish

Ebeling's fangjaw

Elongated bristlemouth fish

Eustomias bimargaritoides

Scaly dragonfish

Pacific blackdragon

Astronesthes exsul

Photostomias goodyeari

Eustomias austratlanticus

Highlight hatchetfish

Bulldog lightfish

Eustomias lanceolatus

Eustomias spherulifer

Astronesthes atlanticus

Loosejaw

Snaggletooth

Panama snaggletooth

Photonectes gracilis

Odontostomias micropogon

Polyipnus meteori

Eustomias ignotus

Bathophilus proximus

Diplophos pacificus

Eustomias quadrifilis

Eustomias patulus

Yellow bristlemouth

Eustomias digitatus

Bathophilus indicus

Astronesthes leucopogon

Sladen's hatchet fish

Argyripnus pharos

Astronesthes indopacificus

Melanostomias stewarti

Eustomias contiguus

Longfin dragonfish

Chauliodus schmidti

Eustomias monoclonus

Threelight dragonfish

Maurolicus walvisensis

Bristlemouth

Sonoda paucilampa

Snaggletooth

Astronesthes tanibe

Melanostomias melanopogon

Grammatostomias flagellibarba

Eustomias brevibarbatus

Stomias gracilis

Eustomias metamelas

Pitgum lanternfish

Maurolicus mucronatus

Yarrella argenteola

Eustomias trewavasae - Eustomias trewavasae is a small abyssal barbeled dragonfish of the family Stomiidae, found worldwide in tropical and subtropical oceans at depths down to 1,500 m.

Maurolicus breviculus

Eustomias bifilis

G

Ichthyococcus polli

Scaleless dragonfish

Astronesthes decoratus

Astronesthes quasiindicus

Eustomias ioani

Eustomias schiffi

Valenciennellus carlsbergi

Smallhead snaggletooth - The anal fin is narrow but long, reaching almost to the caudal fin.

Photonectes parvimanus

Eustomias albibulbus

Aristostomias lunifer

Astronesthes macropogon

Cyclothone pygmaea

Borostomias mononema

Scaleless dragonfish

Eustomias gibbsi

Scaleless dragonfish

Eustomias posti

Margrethia valentinae

Bristlemouth

Eustomias curtatus

Sparing

Eustomias parini

Triplophos hemingi

Leptostomias multifilis

Hatchet fish - The Giant Hatchetfish or Greater Silver Hatchetfish a marine hatchetfish of the genus Argyropelecus, is found in every ocean except the north Pacific in deep tropical and subtropical waters.

Astronesthes lamellosus

Astronesthes illuminatus

Chauliodus minimus

Eustomias minimus

Slender snaggletooth

Maurolicus rudjakovi

Astronesthes

Melanostomias nigroaxialis

Eustomias cancriensis

Alcock's boafish

Scaleless dragonfish

Gonostoma longipinnis

Eustomias bituberoides

Shortbarbel dragonfish

Black dragonfish - Idiacanthus atlanticus is a barbeled dragonfish of the family Stomiidae, found circumglobally in southern subtropical and temperate oceans between latitudes 25°S and 60°S, at depths down to 2,000 m.

Eustomias melanostigmoides

Thysanactis dentex

Maurolicus javanicus

Bigeye lightfish

Slender fangjaw

Astronesthes formosana

Loosejaw

Eustomias bertelseni

Sternoptyx pseudodiaphana

Lightfish

Eustomias longiramis

Eustomias tetranema

Vinciguerria mabahiss - Vinciguerria mabahiss is a species of Vinciguerria.

Astronesthes bilobatus

Snaggletooth

Photonectes leucospilus

Polyipnus soelae

Eustomias inconstans

Scaleless dragonfish

Diplophos rebainsi - Diplophos rebainsi is a bristlemouth of the family Gonostomatidae, found in the south-east and west Pacific, and the South Atlantic oceans.

Eustomias radicifilis

Stareye lightfish - The stareye lightfish is a species in the monotypic genus of Pollichthys.

Eustomias dispar

Bathophilus irregularis

Eustomias paxtoni

Cyclothone parapallida

Bonapartia pedaliota

Photonectes achirus

Pacific astronesthid fish

Deep-water bristlemouth

Valdivia black dragon fish

Eustomias crossotus

Bathophilus brevis

Chauliodus vasnetzovi - Viperfish

Eustomias multifilis

Pearlside

Scaleless dragonfish

Lovely hatchetfish

Astronesthes karsteni

Astronesthes gudrunae

Astronesthes tatyanae

Melanostomias melanopogon

Eustomias bulbiramis

Stomias lampropeltis

Chauliodus dentatus

Eustomias micraster

Pearlsides - Mueller's Pearlside or Mueller's Bristle-mouth Fish, Maurolicus muelleri, a marine hatchetfish of the genus Maurolicus, is found in deep tropical and subtropical waters of all oceans, from the surface to depths of 1,500 m.

Eustomias uniramis

Emperor seamount lightfish

Atlantic fangjaw

Eustomias bimargaritatus

Black-belly dragonfish

Heterophotus ophistoma

Eustomias magnificus

Thorophos euryops

Astronesthes dupliglandis

Astronesthes similus

Photostomias atrox

Eustomias australensis

Sternoptyx obscura

Slim lightfish

Eustomias jimcraddocki - Eustomias jimcraddocki is a species of abyssal barbeled dragonfish of the family Stomiidae, found in the western North Atlantic.

Eustomias schmidti

Constellationfish

Aristostomias polydactylus

Astronesthes martensii

Borostomias pacificus

Photonectes caerulescens

Odontostomias masticopogon

Polyipnus inermis

Eustomias hulleyi

Bathophilus pawneei

Arrow dragonfish

Diplophos australis

Eustomias problematicus

Order Tetraodontiformes

Atrophacanthus japonicus

Triacanthodes intermedius

Sharpfin sunfish - The sharptail mola, Masturus lanceolatus, is a species of mola found circumglobally in tropical and temperate waters.

Order Zeiformes

Stethopristes eos

Spiky oreo - The spiky oreo, Neocyttus rhomboidalis, is an oreo of the genus Neocyttus, found in all southern oceans at depths of between 200 and 1,300 m.

Allocyttus guineensis

Elongate dory - The elongate dory, Zenion leptolepis, is a dory, in the genus Zenion, found around South Africa, southern Australia, and New Zealand at depths of between 350 and 700 m.

False boarfish

Black oreo - The black oreo is very similar in shape to the warty oreo.

Rosy dory

Neocyttus

Neocyttus acanthorhynchus