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

Duckbill oceanic eel

Labichthys carinatus

Serrivomer garmani

Leptocephalus bellottii

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.

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.

Benthenchelys pacificus

Black sawtooth eel

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

Bathymyrus echinorhynchus

Chlopsis longidens

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

Labichthys yanoi

Crossthroat sawpalate

Acromycter longipectoralis

Leptocephalus congroides

Avocettina paucipora

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

Serrivomer schmidti

Saurenchelys taiwanensis

Nessorhamphus danae

Serrivomer danae

Avocettina acuticeps

Nemichthys larseni

Black saw-toothed eel

Benthenchelys indicus

Bean's sawtooth eel

Dogface witch-eel

Order Ateleopodiformes

Parateleopus microstomus

Order Aulopiformes

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

White barracudina


Longfin pearleye

Macroparalepis longilateralis

Sharpchin barracudina

Evermannella ahlstromi

Scopelosaurus craddocki

Japanese barracudina

Antarctic jonasfish

Scopelarchus stephensi

Lestidiops similis

Lestidiops indopacifica

Scopelarchoides danae

Macroparalepis danae

Coccorella atrata

Ahliesaurus berryi

Benthalbella elongata

Uncisudis posteropelvis

Undistinguished sabretooth

Stemonosudis siliquiventer

Stemonosudis gracilis


Lestidium bigelowi

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

Lestidiops pacificus

Scopelarchoides signifer


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

Magnisudis indica

Benthalbella macropinna


Stemonosudis molesta

Evermannella megalops

Scopelosaurus gibbsi

Uncisudis advena

Stemonosudis bullisi

Naked barracuda


Chubby pearleye


Scopelarchoides kreffti

Ahliesaurus brevis

Paralepis speciosa

Zugmayer's pearleye


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

Stemonosudis intermedia

Scopelosaurus adleri

Lestidium prolixum

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

Slender barracudina

Bigfin pearleye

Lestidiops extrema

Scopelarchoides climax


Atlantic sabretooth

Southern barracudina


Macroparalepis nigra

Dolichosudis fuliginosa

Stemonosudis rothschildi

Scopelosaurus mauli

Uncisudis longirostra


Stemonosudis elegans

Fierce pike smelt

Atlantic barracudina

Strange pike smelt

Scopelarchoides nicholsi

Order Beryciformes

Slimy head

Hoplostethus melanopterus

Hoplostethus druzhinini

Parin's spiny fin

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 shubnikovi

Hoplostethus mikhailini


Aulotrachichthys prosthemius

Hoplostethus confinis

Paratrachichthys fernandezianus

Hoplostethus rifti

Slimy head

Hoplostethus fedorovi

Parinoberyx horridus

Longwing spinyfin

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.

Hoplostethus tenebricus

Atlantic roughy

Hoplostethus marisrubri

Hoplostethus crassispinus

Paratrachichthys sajademalensis

Hoplostethus rubellopterus

Hoplostethus metallicus

Hoplostethus fragilis

Hoplostethus abramovi

Aulotrachichthys latus

Diretmoides veriginae

Parmops echinatus

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.

Paratrachichthys argyrophanus

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.

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.

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

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

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.

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.

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.

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

Apristurus internatus - Reproduction is oviparous.

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

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.

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.

Order Cetomimiformes

Vitiaziella cubiceps

Savage's birdsnouted whalefish

Gyrinomimus bruuni

Cetomimus gillii

Parataeniophorus gulosus

Megalomycter teevani

Gyrinomimus simplex

Cetomimus picklei

Ditropichthys storeri

Ataxolepis henactis

Cetichthys indagator

Procetichthys kreffti

Pink flabby whalefish

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


Danacetichthys galathenus

Festive ribbonfish

Cetomimus teevani

Trunov southern cetomimid

Cetichthys parini

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

Parataeniophorus brevis

Gyrinomimus myersi

Cetomimus kerdops

Ataxolepis apus

Order Chimaeriformes

Hydrolagus lusitanicus


Order Gadiformes

Grenadier fish

Myers' grenadier


Whitson's grenadier

Coryphaenoides grahami

Gadella edelmanni

Globehead grenadier

Large-eye grenadier

Hymenocephalus antraeus

Roundhead grenadier

Kumba hebetata

Striped codlet

Finescale mora

Bristly grenadier

Physiculus therosideros

Coryphaenoides spinulosus

Bluntnose grenadier

Physiculus nigriscens

Fragile grenadier

Smallhead moray cod

Mediterranean grenadier

Echinomacrurus mollis

Threadfin grenadier

Bighead mora

Kumba musorstom

Carmine grenadier

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

Kumba calvifrons

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.

Squalogadus modificatus

Coelorinchus trunovi

Sphagemacrurus richardi

Sturgeon-like grenadier fish

Kaiwi Channel grenadier

Physiculus roseus

Guttigadus nudicephalus

Nezumia cyrano

Bathygadus spongiceps

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

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

Coryphaenoides camurus

Hymenocephalus aterrimus

Bathypelagic rattail

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

Tripterophycis svetovidovi

Patagonian codling

Coelorinchus melanosagmatus

Pugnose grenadier

Coryphaenoides striaturus

Parin's grenadier

Physiculus parini

Coryphaenoides microps

Rhynchogadus hepaticus

Gadomus multifilis

Dusky rattail

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

Hymenocephalus striatulus

Kumba punctulata

Macrouroides inflaticeps


Gadella brocca

Narrowsnout grenadier

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

Kumba gymnorhynchus

Coelorinchus vityazae

Slendertail grenadier

Trachonurus sentipellis

Physiculus sazonovi

Coryphaenoides semiscaber

Blunt-nosed grenadier

Physiculus longifilis

Muraenolepis andriashevi

Coryphaenoides mcmillani

Gadomus capensis

Ventrifossa paxtoni

Naked snout rattail

Laemonema melanurum

Bighead grenadier

Dogtooth grenadier

Hymenocephalus barbatulus

Berry's grenadier

Kumba maculisquama

Coelorinchus nazcaensis

Sphagemacrurus pumiliceps

Bluntsnout grenadier

Physiculus peregrinus

Order Lampriformes

Taper-tail ribbonfish

Regalecus russelii

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

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.

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.

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.

Crested oarfish


Southern ribbonfish

Order Lophiiformes

Bulbous dreamer

Oneirodes micronema

Himantolophus mauli

Phyllorhinichthys balushkini - P.

Linophryne escaramosa

Danaphryne nigrifilis

Linophryne bipennata

Oneirodes alius

Short-rod anglerfish

Oneirodes kreffti

Acentrophryne longidens

Himantolophus crinitus

Dolopichthys karsteni

Bufoceratias shaoi

Oneirodes dicromischus

Himantolophus azurlucens

Linophryne andersoni

Melanocetus eustalus

Gigantactis microphthalmus

Tyrannophryne pugnax - The most distinctive feature of T.

Torpedo batfish

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.

Pentherichthys venustus

Gigantactis longicauda

Stargazing seadevil

Linophryne quinqueramosa

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

Oneirodes rosenblatti

Gigantactis golovani

Linophryne macrodon

Oneirodes cristatus

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.

Diceratias trilobus

Smooth anglerfish

Himantolophus nigricornis

Oneirodes macrosteus

Himantolophus macroceras

Rhynchactis microthrix

Linophryne densiramus

Oneirodes basili

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

Caulophryne pietschi

Smooth dreamer

Oneirodes haplonema

Himantolophus compressus

Dolopichthys dinema

Linophryne argyresca

Melanocetus rossi

Cosmopolitan whipnose

Gigantactis meadi

Lophodolos indicus

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.

Gigantactis ios

Linophryne trewavasae

Oneirodes posti

Pacific footballfish

Triplewart seadevil

Gigantactis gargantua

Linophryne pennibarbata

Phyllorhinichthys micractis - P.

Linophryne indica

Bulbous dreamer

Oneirodes mirus

Himantolophus melanolophus

Robia legula

Dolopichthys pullatus

Rhynchactis leptonema

Linophryne brevibarbata

Oneirodes anisacanthus

Oneirodes luetkeni

Himantolophus danae

Bufoceratias thele

Nightmare dreamer

Himantolophus borealis

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 .

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

Oneirodes thysanema

Gigantactis longicirra

Gigantactis gracilicauda

Pietschichthys horridus

Linophryne racemifera

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

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.

Oneirodes pietschi

Himantolophus paucifilosus

Gigantactis balushkini

Linophryne maderensis

Chirophryne xenolophus

Oneirodes melanocauda

Himantolophus macroceratoides

Linophryne digitopogon

Oneirodes bradburyae

Haplophryne triregium

Caulophryne polynema

Chaenophryne ramifera

Linophryne bicornis

Gigantactis watermani

Oneirodes heteronema

Acentrophryne dolichonema

Himantolophus cornifer

Dolopichthys jubatus

Plainchin dreamarm

Linophryne algibarbata

Gigantactis microdontis

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.

Gigantactis kreffti

Oneirodes pterurus

Ctenochirichthys longimanus

Gigantactis gibbsi

Linophryne polypogon

Linophryne lucifer

Oneirodes clarkei

Himantolophus albinares

Two-rod anglerfish

Oneirodes myrionemus

Himantolophus multifurcatus

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.

Oneirodes macronema

Atlantic footballfish

Rhynchactis macrothrix

Linophryne coronata

Oneirodes appendixus

Caulophryne pelagica

Smooth dreamer

Bufoceratias wedli

Oneirodes flagellifer

Himantolophus brevirostris

Puck pinnata

Linophryne arcturi

Murray's abyssal anglerfish

Gigantactis savagei

Whalehead dreamer

Oneirodes whitleyi

Photocorynus spiniceps - The known mature male individuals are 6.

Gigantactis macronema

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.

Gigantactis herwigi

Linophryne sexfilis

Oneirodes plagionema

Himantolophus pseudalbinares

Gigantactis elsmani

Linophryne parini

Order Myctophiformes

Diaphus pallidus

Lampadena dea

Diaphus umbroculus

Slimtail lampfish

Broadfin lampfish

Andersen's lantern fish

Gonichthys venetus

Pig-headed lantern fish

Skinnycheek lanternfish

Spothead lantern fish

Diaphus subtilis


Lampanyctus hubbsi

Garnet lanternfish

Nannobrachium indicum


Protomyctophum bolini

Mirror lanterfish

Nannobrachium cuprarium

Taaningichthys paurolychnus

Diaphus lobatus


Spiny lantern fish

Evermann's lantern fish


Diaphus garmani

Doflein's false headlightfish

Diaphus dehaveni

Gymnoscopelus fraseri

Lantern fish

Electrona antarctica

Diaphus basileusi

Bolin's lantern fish

Arctic telescope

Lampadena pontifex

Longfin lampfish


Diaphus thiollierei


Nannobrachium phyllisae

Gilbert's large lantern fish

Neoscopelus microchir


Diaphus nielseni

Mead's lanternfish

Metelectrona ahlstromi

Diaphus similis

Protomyctophum gemmatum

Spinytail lampfish



Reinhardt's lantern fish

Diaphus jenseni


Nannobrachium bristori

Spotted laternfish

Parvilux boschmai

Benoit's lanternfish

Diaphus faustinoi

Highseas lampfish



Myctophum indicum

Lampanyctus vadulus

Chubby flashlightfish

Golden-nosed lantern fish

Diaphus antonbruuni

Diaphus parri


Diaphus whitleyi


Nannobrachium wisneri

Smallfin lanternfish


Blue lanternfish

Diaphus minax

Diaphus taaningi

Protomyctophum parallelum

Lampanyctus iselinoides

Diaphus richardsoni

Protomyctophum chilense

Lampadena urophaos atlantica

Nannobrachium fernae

Diaphus longleyi

Laura's lantern fish

Diaphus handi

Cocco's lantern fish

Lantern fish

Symbolophorus rufinus


Diaphus drachmanni

Pacific blackchin

Gymnoscopelus hintonoides


Horned lanternfish

Popeye lampfish

Longfin lanternfish

Golden lanternfish

Lampanyctus tenuiformis

Electron subantarctic


Diaphus trachops

Rakery beaconlamp

Pinpoint lampfish

Diaphus aliciae

Slendertail lanternfish

Diaphus ostenfeldi


Spinycheek lanternfish

Diaphus megalops

Metelectrona ventralis


Protomyctophum luciferum


Smallfin lanternfish

Nannobrachium idostigma

Nannobrachium crypticum

Taaningichthys minimus


Diaphus kuroshio

Japanese lanternfish

Wisner's lantern fish

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.

Hygophum bruuni

Fragile lantern fish

Triphoturus oculeum

Gymnoscopelus opisthopterus

Myctophum lychnobium


Hintonia candens


Diaphus dahlgreni

Gymnoscopelus braueri

Diaphus arabicus

Transparent lantern fish

Protomyctophum andriashevi


Lampanyctus simulator

Taaning's lantern fish

Bigeye lanternfish

Brokenline lanternfish

Black lantern fish

Tarletonbeania taylori

Large-scaled lantern fish

Gonichthys barnesi


Diaphus roei


Lampadena yaquinae

Nannobrachium gibbsi

Diaphus lucidus

Hudson's lanternfish

Topside lampfish

Krefftichthys anderssoni



Lantern fish

Myctophum orientale

Thickhead lanternfish

Diaphus ehrhorni

Gymnoscopelus microlampas

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.

Bolinichthys nikolayi

Myctophum fissunovi

Lampanyctus turneri

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

Order Notacanthiformes

Halosaurus sinensis

Longnose tapirfish

Aldrovandia rostrata


Notacanthus indicus

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

Halosaurus attenuatus

Halosaurus parvipennis

Polyacanthonotus africanus

Aldrovandia oleosa

Halosaurus carinicauda

Bonapart's spiny eel

Order Ophidiiformes

Alcockia rostrata

Barathronus bruuni

Pelagic brotula

Parabrotula tanseimaru

Aphyonus brevidorsalis

Bassozetus zenkevitchi

Lamprogrammus niger

Barathronus pacificus

Barathrites parri

Bony-eared assfish

Marshall slopebrotula

Brotulotaenia nielseni

Barathronus diaphanus

Gunther's cuskeel

Nielsen's catetyx

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

Apagesoma delosommatus

Brotulotaenia brevicauda

Barathronus parfaiti

Barathronus bicolor

Thalassobathia nelsoni

Parabrotula plagiophthalmus

Brotulotaenia nigra

Aphyonus bolini

Barathronus multidens

Two-spined slopebrotula

Leucobrotula adipata

Violet cuskeel

Apagesoma edentatum

Barathronus unicolor

Order Osmeriformes

Krefft's smooth-head

Asquamiceps caeruleus

Abyssal smooth-head

Bathylagus niger

Bajacalifornia erimoensis

Threadfin smooth-head

Leptoderma lubricum

Bathylagichthys longipinnis

Bathytroctes squamosus

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.

Dolichopteryx rostrata

Mentodus perforatus

Murray's smooth-head

Dolichopteryx anascopa

Streaklight tubeshoulder

Rouleina watasei

Blackhead salmon

Mentodus crassus

Bathytroctes macrognathus

Multipore searsid

Conocara bertelseni

Matsuichthys aequipinnis

Bighead searsid

Rouleina guentheri

Nansenia megalopa

Nansenia antarctica


California smoothtongue

Schnakenbeck's searsid

Searsioides multispinus

Bathylagus borealis

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

Vaillant's smooth-head

Bajacalifornia arcylepis

Hairfin smooth-head

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

Mentodus longirostris

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.

Smallscale smooth-head

Longfin smooth-head

Maulisia isaacsi

Holtbyrnia intermedia

Rouleina nuda

Narcetes erimelas

Legless searsid

Bathytroctes elegans

Robust blacksmelt

Rouleina eucla

Nansenia iberica

Palebelly searsid

Winteria telescopa

Asquamiceps hjorti

Toothless smooth-head

Bruce's argentine

Blackchin blacksmelt

Leptoderma retropinna

Bigeye smooth-head

Shining tubeshoulder

Pygmy argentine

Koefoed's searsid

Bathylagoides argyrogaster

Bathytroctes zugmayeri

Dolichopteryx trunovi

Mentodus eubranchus

Salmon smooth-head

Dolichopteryx binocularis

Holtbyrnia ophiocephala

Koefoed's smooth-head

Rouleina livida

Nansenia sanrikuensis

Normichthys yahganorum

Fiolenti's smooth-head

Maulisia acuticeps

Holtbyrnia conocephala

Bathylagus tenuis

Bluethroat argentine

Starry smooth-head

Ghost smelt

Brown slickhead

Threadfin slickhead

Deep-sea smelt

Leptoderma affinis

Winged spookfish


Mentodus mesalirus

Bathytroctes pappenheimi

Elongate smooth-head

Longsnout blacksmelt

Smallscale searsid

Holtbyrnia laticauda

Bluntsnout slickhead

Narcetes lloydi

Pectinantus parini

Leaf searsid

Eared blacksmelt

Mentodus bythios

Bathytroctes inspector

Fangtooth smooth-head

Rouleina euryops

Nansenia longicauda

Barbantus elongatus

Normichthys herringi

Loosescale smooth-head

Nansenia ahlstromi

Bathylaco nielseni

Fanfin smooth-head

Binghamichthys aphos

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

Pacific black smelt

Bajacalifornia microstoma

Sagamichthys gracilis

Searsioides calvala

Norman's smooth-head

Bathylagus andriashevi

Agassiz' smooth-head

Bajacalifornia aequatoris

Antillean smooth-head

Mentodus facilis

Werner's smooth-head

Dolichopteryx brachyrhynchus

Michael Sars smooth-head

Conocara kreffti

Palegold searsid

Teardrop tubeshoulder

Madeiran smooth-head

Nansenia tenuicauda

Bathytroctes breviceps

Snubnose blacksmelt

Softskin smooth-head

Greenland argentine

Order Perciformes

Stout slipskin

Malakichthys levis

New Zealand ruffe

Melanostigma orientale

Bathyclupea gracilis

Lycodapus derjugini


Bigmouth veilfin


Seleniolycus robertsi

Pseudoscopelus scutatus

Eumegistus brevorti

Pseudoscopelus microps

Trewavas croaker

Plectranthias pallidus

Kali normani

Kali colubrina

Pseudoscopelus aphos

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.

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.

Seleniolycus pectoralis

Black swallower

Paracaristius maderensis

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.

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.

Bathyclupea megaceps

Pale eelpout

Lycenchelys imamurai

Pseudoscopelus pierbartus


Pseudoscopelus cephalus

Kali macrodon

Sherborn's cardinalfish

African barrelfish

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

Malakichthys mochizuki

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

Cocoa snapper

Silver splitfin

Atlantic soft pout

Bathyclupea hoskynii

Deepwater slipskin


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.

Pseudoscopelus stellatus

Brilliant pomfret

Plectranthias parini

Kali parri

Pseudoscopelus obtusifrons


Kali falx

Pseudoscopelus astronesthidens

Blue driftfish

Tonga escolar

Malakichthys barbatus

Melanostigma inexpectatum

Lycodapus microchir

Caristius groenlandicus

Bathyclupea argentea


Pseudoscopelus sagamianus

Tasmanian ruffe

Pseudoscopelus lavenbergi

Atrobucca geniae

Kali macrura

Bothrocara nyx

Pseudoscopelus altipinnis

Barracuda cardinalfish

Howella zina

Melanostigma vitiazi

Seleniolycus laevifasciatus

Malakichthys similis

Aethotaxis mitopteryx pawsoni

Dysalotus oligoscolus

Paracaristius heemstrai

Melanostigma bathium

Deepsea herring

Bigtooth eelpout

Pachycara dolichaulus

Plectranthias robertsi

Pseudoscopelus parini

Thinlip splitfin

Pseudoscopelus bothrorrhinos

Platyberyx opalescens

Kali indica

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.

Howella parini

Order Pleuronectiformes

Smallmouth moonflounder

Bathysolea lactea

Deepwater sole

Order Polymixiiformes

Japanese beardfish

Order Saccopharyngiformes

Monognathus berteli

Saccopharynx trilobatus

Monognathus ozawai

Monognathus herringi

Saccopharynx hjorti

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 bruuni

Monognathus smithi

Monognathus jesse

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

Saccopharynx ramosus


Monognathus bertini

Monognathus rajui

Monognathus isaacsi

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

Saccopharynx lavenbergi

Gulper eel

Monognathus taningi

Saccopharynx thalassa

Monognathus nigeli

Saccopharynx harrisoni

Monognathus boehlkei

Monognathus rosenblatti

Monognathus jesperseni

Saccopharynx paucovertebratis

Saccopharynx berteli

Order Scorpaeniformes

Blackmouth rockfish

Multipore dwarf snailfish

Edentoliparis terraenovae

Paraliparis carlbondi

Icelus mandibularis

Stein's dwarf snailfish

Gelatinous dwarf snailfish

Careproctus marginatus

Marvelous dwarf snailfish

Paraliparis skeliphrus

Genioliparis ferox

Notoliparis antonbruuni

Smalleye dwarf snailfish

Midwater scorpionfish

Deepwater rockfish - S.

Squaloliparis dentatus

Genioliparis kafanovi

Sargasso dwarf snailfish

Acantholiparis caecus

Tadpole liparid

Short-headed sculpin

Order Squaliformes

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.

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.

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.

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.

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

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.

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

Lantern sharks - Reproduction is ovoviviparous.

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.

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

Etmopterus dislineatus - Reproduction is ovoviviparous.

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.

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.

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

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

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

Etmopterus caudistigmus - Reproduction is ovoviviparous.

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

Order Stephanoberyciformes

Poromitra unicornis



Abyssoberyx levisquamosus

Melamphaes pumilus


Highsnout bigscale

Melamphaes hubbsi


Malacosarcus macrostoma



Scopelogadus unispinis

Little bigscale


Melamphaes leprus

Melamphaes ebelingi

Large-headed midnight fish

Scopelogadus beanii


Melamphaes macrocephalus

Melamphaes indicus

Slender bigscale

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


Melamphaes polylepis

Longjaw bigscale


Melamphaes eulepis


Poromitra gibbsi

Twospine bigscale

Melamphaes spinifer

Melamphaes parini

Scopeloberyx microlepis

Melamphaes laeviceps

Order Stomiiformes

Scaleless dragonfish

Scaleless dragonfish

Ebeling's fangjaw

Eustomias parri



Leptostomias robustus

Eustomias bifilis

Ichthyococcus polli

Eustomias albibulbus

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

Photonectes parvimanus

Eustomias ioani

Valenciennellus carlsbergi

Chauliodus pammelas

Eustomias monoclonoides

Pacific astronesthid fish

Maurolicus stehmanni

Lovely hatchetfish

Eustomias mesostenus

Astronesthes karsteni

Opostomias micripnus

Maurolicus kornilovorum

Cyclothone pygmaea

Scaleless dragonfish

Eustomias gibbsi

Scaleless dragonfish

Astronesthes gudrunae

Maurolicus australis

Eustomias tomentosis


Eustomias curtatus


Triplophos hemingi

Borostomias elucens

Eustomias cancriensis

Melanostomias nigroaxialis

Astronesthes dupliglandis

Eustomias satterleei


Alcock's boafish

Astronesthes similus

Shortbarbel dragonfish

Eustomias bituberoides

Thysanactis dentex

Scaleless dragonfish

Gonostoma longipinnis

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

Bigeye lightfish

Sonoda paucilampa

Manducus maderensis

Eustomias pinnatus

Argyripnus iridescens

Aristostomias polydactylus

Eustomias pacificus

Astronesthes martensii

Sternoptyx pseudodiaphana

Leptostomias longibarba

Eustomias bertelseni



Eustomias longiramis

Vinciguerria mabahiss - Vinciguerria mabahiss is a species of Vinciguerria.

Araiophos eastropas

Eustomias inconstans

Scaleless dragonfish

Polyipnus soelae

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

Half-naked hatchetfish

Eustomias micropterygius

Astronesthes lampara

Pachystomias microdon

Maurolicus parvipinnis

Scaleless dragonfish

Photonectes leucospilus

Cyclothone parapallida

Photonectes achirus

Eustomias dispar

Bathophilus irregularis

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

Astronesthes indicus

Maurolicus inventionis

Eustomias vitiazi

Astronesthes galapagensis

Eustomias spherulifer

Deep-water bristlemouth

Eustomias crossotus

Bathophilus brevis

Valdivia black dragon fish

Panama snaggletooth

Diplophos pacificus

Astronesthes chrysophekadion

Eustomias quadrifilis

Astronesthes tatyanae

Stomias lampropeltis

Eustomias bulbiramis

Melanostomias melanopogon

Eustomias bimargaritatus

Thorophos euryops

Atlantic fangjaw

Eustomias magnificus

Heterophotus ophistoma

Slender fangjaw

Eustomias patulus


Black-belly dragonfish


Sternoptyx obscura

Maurolicus walvisensis

Eustomias australensis

Photostomias atrox

Slim lightfish

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


Chauliodus schmidti

Aristostomias grimaldii

Eustomias monoclonus

Pacific hatchet fish

Yarrella argenteola

Eustomias metamelas

Astronesthes kreffti

Pitgum lanternfish

Maurolicus mucronatus

Arrow dragonfish

Photonectes caerulescens

Eustomias hulleyi

Bathophilus pawneei

Odontostomias masticopogon

Polyipnus inermis

Eustomias curtifilis

Highfin dragonfish

Astronesthes haplophos

Maurolicus breviculus

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.

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.

Benttooth bristlemouth

Eustomias cirritus

Bathophilus altipinnis

Melanostomias pollicifer

Astronesthes exsul

Eustomias schiffi

Borostomias mononema

Argyripnus pharos

Astronesthes atlanticus

Margrethia valentinae

Eustomias posti

Astronesthes splendida

Stomias danae

Eustomias braueri

Melanostomias globulifer

Torpedo dragonfish


Eustomias parini


Leptostomias multifilis

Eustomias bibulboides

Ichthyococcus parini

Eustomias macronema

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.

Eustomias aequatorialis

Photonectes margarita

Eustomias interruptus

Chauliodus minimus

Sladen's hatchet fish

Eustomias minimus

Astronesthes leucopogon

Slender snaggletooth

Maurolicus rudjakovi

Astronesthes indopacificus

Maurolicus javanicus

Slender bristlemouth

Photonectes albipennis

Eustomias elongatus

Bathophilus kingi


Eustomias tetranema


Eustomias cryptobulbus

Scaleless black dragonfish

Bonapartia pedaliota

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

Astronesthes decoratus

Eustomias radicifilis

Astronesthes trifibulatus

Scaly dragonfish

Eustomias bulbornatus

Tentacle dragonfish

Astronesthes quasiindicus

Scaly dragonfish

Eustomias bimargaritoides

Thorophos nexilis

Elongated bristlemouth fish

Pacific blackdragon

Eustomias medusa


Eustomias paxtoni

Chauliodus vasnetzovi - Viperfish

Aristostomias lunifer

Eustomias multifilis

Astronesthes macropogon

Highlight hatchetfish

Scaleless dragonfish


Eustomias austratlanticus

Photostomias goodyeari

Bulldog lightfish

Eustomias lanceolatus

Chauliodus dentatus

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.

Eustomias micraster

Astronesthes lamellosus

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.

Photonectes gracilis

Eustomias ignotus

Bathophilus proximus

Odontostomias micropogon

Polyipnus meteori

Eustomias digitatus

Bathophilus indicus

Astronesthes illuminatus

Emperor seamount lightfish

Eustomias uniramis

Yellow bristlemouth

Astronesthes formosana

Eustomias schmidti


Eustomias contiguus

Longfin dragonfish

Threelight dragonfish

Melanostomias stewarti

Borostomias pacificus

Diplophos australis

Astronesthes bilobatus

Eustomias problematicus

Astronesthes tanibe

Stomias gracilis

Eustomias brevibarbatus

Melanostomias melanopogon

Grammatostomias flagellibarba

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

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

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.

Rosy dory


Neocyttus acanthorhynchus

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

False boarfish