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

Avocettina paucipora

Serrivomer garmani

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

Nessorhamphus danae

Saurenchelys taiwanensis

Nemichthys larseni

Avocettina acuticeps

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.

Black sawtooth eel

Benthenchelys pacificus

Dogface witch-eel

Chlopsis longidens

Bathymyrus echinorhynchus

Crossthroat sawpalate

Duckbill oceanic eel

Labichthys carinatus

Leptocephalus bellottii

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

Serrivomer schmidti

Avocettina bowersii

Serrivomer danae

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

Black saw-toothed eel

Acromycter longipectoralis

Benthenchelys indicus

Bean's sawtooth eel

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

Labichthys yanoi

Leptocephalus congroides

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.

Stemonosudis bullisi

Naked barracuda

Ahliesaurus brevis

White barracudina



Longfin pearleye

Chubby pearleye

Scopelarchoides kreffti

Macroparalepis longilateralis

Paralepis speciosa

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


Scopelosaurus adleri

Coccorella atrata

Stemonosudis intermedia

Lestidium prolixum

Slender barracudina

Bigfin pearleye

Scopelarchoides climax


Lestidiops extrema

Benthalbella elongata

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

Dolichosudis fuliginosa

Stemonosudis rothschildi


Uncisudis longirostra

Scopelosaurus mauli

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

Stemonosudis elegans

Atlantic barracudina

Fierce pike smelt

Magnisudis indica

Strange pike smelt

Benthalbella macropinna

Scopelarchoides nicholsi



Evermannella ahlstromi

Sharpchin barracudina

Scopelosaurus craddocki

Japanese barracudina

Antarctic jonasfish

Ahliesaurus berryi

Scopelarchus stephensi

Lestidiops similis

Lestidiops indopacifica

Zugmayer's pearleye

Scopelarchoides danae

Macroparalepis danae

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

Stemonosudis siliquiventer

Undistinguished sabretooth

Uncisudis posteropelvis

Atlantic sabretooth

Stemonosudis gracilis

Lestidium bigelowi


Southern barracudina

Lestidiops pacificus

Scopelarchoides signifer

Macroparalepis nigra



Evermannella megalops

Stemonosudis molesta

Uncisudis advena

Scopelosaurus gibbsi

Order Beryciformes

Longwing spinyfin

Parinoberyx horridus

Hoplostethus tenebricus

Atlantic roughy

Hoplostethus marisrubri

Hoplostethus crassispinus

Paratrachichthys sajademalensis

Hoplostethus rubellopterus

Hoplostethus metallicus

Hoplostethus fragilis

Hoplostethus abramovi

Aulotrachichthys latus

Parmops echinatus

Diretmoides veriginae

Paratrachichthys argyrophanus

Slimy head

Hoplostethus melanopterus

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 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


Hoplostethus confinis

Aulotrachichthys prosthemius

Paratrachichthys fernandezianus

Hoplostethus rifti

Slimy head

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 fedorovi

Order Carcharhiniformes

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.

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.

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.

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

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.

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.

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.

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.

Cetomimus gillii

Danacetichthys galathenus

Festive ribbonfish

Trunov southern cetomimid

Parataeniophorus brevis

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

Cetomimus picklei

Cetichthys indagator

Gyrinomimus myersi

Ataxolepis apus

Pink flabby whalefish

Vitiaziella cubiceps


Savage's birdsnouted whalefish

Gyrinomimus bruuni

Parataeniophorus gulosus

Megalomycter teevani

Cetomimus teevani

Cetichthys parini

Gyrinomimus simplex

Ditropichthys storeri

Ataxolepis henactis

Procetichthys kreffti

Cetomimus kerdops

Order Chimaeriformes


Hydrolagus lusitanicus

Order Gadiformes

Patagonian codling

Tripterophycis svetovidovi

Whitson's grenadier

Fragile grenadier

Coelorinchus melanosagmatus

Pugnose grenadier

Coryphaenoides striaturus

Parin's grenadier

Physiculus parini

Gadomus multifilis

Coryphaenoides microps

Rhynchogadus hepaticus

Globehead grenadier

Finescale mora

Dusky rattail

Kumba punctulata

Gadella brocca


Hymenocephalus striatulus

Striped codlet

Kumba gymnorhynchus

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

Smallhead moray cod

Narrowsnout grenadier

Coelorinchus vityazae

Slendertail grenadier

Trachonurus sentipellis

Physiculus sazonovi

Blunt-nosed grenadier

Physiculus longifilis

Coryphaenoides semiscaber

Gadomus capensis

Coryphaenoides mcmillani

Laemonema melanurum

Naked snout rattail

Ventrifossa paxtoni

Bighead grenadier

Hymenocephalus barbatulus

Dogtooth grenadier

Kumba maculisquama

Berry's grenadier

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

Coelorinchus nazcaensis

Sphagemacrurus pumiliceps

Bluntsnout grenadier

Physiculus peregrinus

Myers' grenadier

Grenadier fish


Gadella edelmanni

Coryphaenoides grahami

Large-eye grenadier

Hymenocephalus antraeus

Roundhead grenadier

Kumba hebetata

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

Bristly grenadier

Physiculus therosideros

Macrouroides inflaticeps

Coryphaenoides spinulosus

Bluntnose grenadier

Physiculus nigriscens

Echinomacrurus mollis

Threadfin grenadier

Mediterranean grenadier

Bighead mora

Carmine grenadier

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

Kumba musorstom

Kumba calvifrons

Muraenolepis andriashevi

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.

Shortbeard grenadier

Squalogadus modificatus

Coelorinchus trunovi

Sphagemacrurus richardi

Sturgeon-like grenadier fish

Kaiwi Channel grenadier

Guttigadus nudicephalus

Physiculus roseus

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.

Nezumia cyrano

Bathygadus spongiceps

Doublethread grenadier

Coryphaenoides macrolophus

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

Coryphaenoides camurus

Hymenocephalus aterrimus

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

Bathypelagic rattail

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.

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

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.

Regalecus russelii

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

Order Lophiiformes

Oneirodes micronema

Himantolophus mauli

Oneirodes thysanema

Gigantactis longicirra

Linophryne racemifera

Pietschichthys horridus

Oneirodes kreffti

Himantolophus crinitus

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

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

Oneirodes sabex

Gigantactis gracilicauda

Acentrophryne dolichonema

Himantolophus paucifilosus

Oneirodes pietschi

Gigantactis balushkini

Linophryne maderensis

Oneirodes dicromischus

Himantolophus azurlucens

Linophryne digitopogon

Bufoceratias shaoi

Oneirodes bradburyae

Haplophryne triregium

Dolopichthys jubatus

Linophryne bicornis

Gigantactis watermani

Linophryne algibarbata

Gigantactis microdontis

Stargazing seadevil

Smooth anglerfish

Himantolophus nigricornis

Diceratias trilobus

Plainchin dreamarm

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

Oneirodes theodoritissieri

Gigantactis kreffti

Oneirodes macrosteus

Himantolophus macroceras

Oneirodes haplonema

Himantolophus compressus

Oneirodes pterurus

Gigantactis gibbsi

Ctenochirichthys longimanus

Linophryne polypogon

Caulophryne pietschi

Linophryne lucifer

Oneirodes clarkei

Himantolophus albinares

Smooth dreamer

Rhynchactis macrothrix

Linophryne coronata

Oneirodes appendixus

Puck pinnata

Linophryne arcturi

Gigantactis savagei

Murray's abyssal anglerfish

Whalehead dreamer

Oneirodes mirus

Himantolophus melanolophus

Oneirodes whitleyi

Gigantactis macronema

Photocorynus spiniceps - The known mature male individuals are 6.

Gigantactis herwigi

Linophryne sexfilis

Oneirodes luetkeni

Himantolophus danae

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

Oneirodes schistonema

Acentrophryne longidens

Himantolophus pseudalbinares

Oneirodes plagionema

Gigantactis elsmani

Linophryne parini

Nightmare dreamer

Himantolophus borealis

Bulbous dreamer

Linophryne escaramosa

Bufoceratias thele

Phyllorhinichthys balushkini - P.

Linophryne bipennata

Danaphryne nigrifilis

Oneirodes alius

Short-rod anglerfish

Dolopichthys karsteni

Linophryne andersoni

Gigantactis microphthalmus

Melanocetus eustalus

Torpedo batfish

Tyrannophryne pugnax - The most distinctive feature of T.

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

Spiny dreamer

Gigantactis longicauda

Pentherichthys venustus

Oneirodes melanocauda

Himantolophus macroceratoides

Chirophryne xenolophus

Linophryne quinqueramosa

Caulophryne polynema

Oneirodes heteronema

Himantolophus cornifer

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.

Chaenophryne ramifera

Rhynchactis microthrix

Linophryne densiramus

Oneirodes basili

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

Dolopichthys dinema

Linophryne argyresca

Cosmopolitan whipnose

Melanocetus rossi

Gigantactis meadi

Lophodolos indicus

Oneirodes myrionemus

Himantolophus multifurcatus

Two-rod anglerfish

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

Oneirodes schmidti

Gigantactis ios

Linophryne trewavasae

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

Pacific footballfish

Oneirodes posti

Gigantactis gargantua

Triplewart seadevil

Linophryne pennibarbata

Caulophryne pelagica

Oneirodes flagellifer

Himantolophus brevirostris

Bulbous dreamer

Smooth dreamer

Robia legula

Linophryne indica

Bufoceratias wedli

Phyllorhinichthys micractis - P.

Dolopichthys pullatus

Rhynchactis leptonema

Linophryne brevibarbata

Oneirodes anisacanthus

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 .

Gigantactis paxtoni

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 .

Order Myctophiformes

Slimtail lampfish

Diaphus umbroculus

Lantern fish


Bolinichthys nikolayi

Symbolophorus rufinus

Cocco's lantern fish

Diaphus handi

Gymnoscopelus hintonoides

Pig-headed lantern fish

Diaphus drachmanni

Pacific blackchin

Lampanyctus hubbsi

Diaphus subtilis



Skinnycheek lanternfish

Golden lanternfish

Lampanyctus tenuiformis

Longfin lanternfish

Electron subantarctic


Mirror lanterfish


Protomyctophum bolini

Pinpoint lampfish

Slendertail lanternfish

Diaphus aliciae


Diaphus ostenfeldi

Diaphus megalops

Metelectrona ventralis

Nannobrachium idostigma

Smallfin lanternfish


Taaningichthys minimus

Japanese lanternfish

Diaphus kuroshio

Longfin lampfish

Nannobrachium crypticum

Wisner's lantern fish

Hygophum bruuni


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.

Gymnoscopelus opisthopterus

Fragile lantern fish

Triphoturus oculeum


Diaphus thiollierei

Spinytail lampfish

Diaphus similis

Protomyctophum gemmatum

Myctophum lychnobium

Hintonia candens



Gymnoscopelus braueri

Diaphus dahlgreni

Diaphus arabicus


Transparent lantern fish

Protomyctophum andriashevi

Black lantern fish

Large-scaled lantern fish

Gonichthys barnesi

Tarletonbeania taylori


Nannobrachium gibbsi

Diaphus lucidus

Topside lampfish

Krefftichthys anderssoni

Hudson's lanternfish


Diaphus whitleyi



Lantern fish


Thickhead lanternfish

Smallfin lanternfish

Gymnoscopelus microlampas

Diaphus ehrhorni

Lampanyctus iselinoides

Diaphus taaningi

Protomyctophum parallelum

Myctophum orientale

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

Lampadena urophaos atlantica

Diaphus richardsoni

Protomyctophum chilense

Lampadena dea

Diaphus pallidus

Broadfin lampfish

Gonichthys venetus

Andersen's lantern fish

Spothead lantern fish

Nannobrachium indicum

Garnet lanternfish

Nannobrachium cuprarium

Taaningichthys paurolychnus


Horned lanternfish

Diaphus lobatus

Spiny lantern fish


Popeye lampfish

Evermann's lantern fish

Doflein's false headlightfish

Diaphus garmani

Rakery beaconlamp

Diaphus trachops

Gymnoscopelus fraseri

Diaphus dehaveni



Protomyctophum luciferum

Lantern fish

Spinycheek lanternfish

Electrona antarctica

Diaphus basileusi

Lampadena pontifex

Bolin's lantern fish

Arctic telescope

Nannobrachium phyllisae

Neoscopelus microchir


Gilbert's large lantern fish

Diaphus nielseni


Mead's lanternfish

Metelectrona ahlstromi

Reinhardt's lantern fish



Diaphus jenseni

Lampanyctus simulator

Nannobrachium bristori

Spotted laternfish

Benoit's lanternfish

Parvilux boschmai


Diaphus faustinoi

Highseas lampfish

Brokenline lanternfish

Taaning's lantern fish

Bigeye lanternfish

Myctophum indicum

Lampanyctus vadulus

Chubby flashlightfish

Golden-nosed lantern fish

Lampadena yaquinae

Diaphus roei



Diaphus parri

Nannobrachium wisneri

Diaphus antonbruuni


Blue lanternfish

Diaphus minax

Nannobrachium fernae

Laura's lantern fish

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.

Diaphus longleyi

Order Notacanthiformes

Halosaurus parvipennis

Polyacanthonotus africanus

Aldrovandia oleosa

Halosaurus carinicauda

Bonapart's spiny eel

Halosaurus sinensis

Aldrovandia rostrata

Longnose tapirfish


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

Notacanthus indicus

Halosaurus attenuatus

Order Ophidiiformes

Aphyonus brevidorsalis

Thalassobathia nelsoni

Barathronus parfaiti

Barathronus bicolor

Parabrotula plagiophthalmus

Barathronus multidens

Brotulotaenia nielseni

Two-spined slopebrotula

Leucobrotula adipata

Alcockia rostrata

Nielsen's catetyx

Pelagic brotula

Apagesoma delosommatus

Barathronus unicolor

Barathronus bruuni

Brotulotaenia brevicauda

Parabrotula tanseimaru

Lamprogrammus niger

Bony-eared assfish

Aphyonus bolini

Bassozetus zenkevitchi

Barathronus pacificus

Brotulotaenia nigra

Barathrites parri

Marshall slopebrotula

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

Gunther's cuskeel

Apagesoma edentatum

Barathronus diaphanus

Violet cuskeel

Order Osmeriformes

Holtbyrnia ophiocephala

Dolichopteryx binocularis

Snubnose blacksmelt

Salmon smooth-head

Mentodus eubranchus

Normichthys yahganorum

Holtbyrnia conocephala

Bathylagus niger

Fiolenti's smooth-head

Maulisia acuticeps

Nansenia sanrikuensis

Rouleina livida

Bathylagichthys longipinnis

Bluethroat argentine

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.

Bathytroctes squamosus

Starry smooth-head

Leptoderma affinis

Bathytroctes macrognathus

Threadfin slickhead

Deep-sea smelt

Mentodus mesalirus

Winged spookfish


Brown slickhead

Holtbyrnia laticauda

Longsnout blacksmelt

California smoothtongue

Elongate smooth-head

Smallscale searsid

Narcetes lloydi

Pectinantus parini

Bluntsnout slickhead

Eared blacksmelt

Leaf searsid

Mentodus bythios

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

Bathylagus borealis

Nansenia longicauda

Rouleina euryops

Normichthys herringi

Nansenia ahlstromi

Loosescale smooth-head

Barbantus elongatus

Asquamiceps hjorti

Bathylaco nielseni

Smallscale smooth-head

Sagamichthys gracilis

Searsioides calvala

Norman's smooth-head

Bajacalifornia microstoma

Agassiz' smooth-head

Bathytroctes elegans

Antillean smooth-head

Mentodus facilis

Dolichopteryx brachyrhynchus

Werner's smooth-head

Bajacalifornia aequatoris

Bruce's argentine

Nansenia tenuicauda

Madeiran smooth-head

Teardrop tubeshoulder

Blackchin blacksmelt

Conocara kreffti

Palegold searsid

Bathylagoides argyrogaster

Greenland argentine

Softskin smooth-head

Krefft's smooth-head

Bathytroctes zugmayeri

Abyssal smooth-head

Threadfin smooth-head

Leptoderma lubricum

Koefoed's smooth-head

Bajacalifornia erimoensis

Dolichopteryx rostrata

Mentodus perforatus

Streaklight tubeshoulder

Dolichopteryx anascopa

Bathylagus tenuis

Murray's smooth-head

Blackhead salmon

Rouleina watasei

Mentodus crassus

Multipore searsid

Bighead searsid

Ghost smelt

Conocara bertelseni

Matsuichthys aequipinnis

Nansenia megalopa

Rouleina guentheri

Nansenia antarctica

Fanfin smooth-head


Bathytroctes pappenheimi

Schnakenbeck's searsid

Searsioides multispinus

Vaillant's smooth-head

Bathytroctes inspector

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

Fangtooth smooth-head

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 arcylepis

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

Holtbyrnia intermedia

Pacific black smelt

Longfin smooth-head

Maulisia isaacsi

Narcetes erimelas

Binghamichthys aphos

Rouleina nuda

Legless searsid

Bathylagus andriashevi

Robust blacksmelt

Nansenia iberica

Rouleina eucla

Winteria telescopa

Toothless smooth-head

Palebelly searsid

Asquamiceps caeruleus

Leptoderma retropinna

Michael Sars smooth-head

Pygmy argentine

Shining tubeshoulder

Koefoed's searsid

Bigeye smooth-head

Dolichopteryx trunovi

Bathytroctes breviceps

Order Perciformes

Malakichthys levis

Pseudoscopelus obtusifrons


Kali parri

Plectranthias parini

Kali falx

Pseudoscopelus astronesthidens

Blue driftfish

Bigmouth veilfin

Tonga escolar


Seleniolycus robertsi

Melanostigma inexpectatum

Lycodapus microchir


Tasmanian ruffe

Pseudoscopelus sagamianus

Bathyclupea argentea

Pseudoscopelus lavenbergi

Kali macrura

Black swallower

Aethotaxis mitopteryx pawsoni

Atrobucca geniae

Barracuda cardinalfish

Pseudoscopelus altipinnis

Howella zina

Melanostigma vitiazi

Seleniolycus laevifasciatus


Dysalotus oligoscolus

Paracaristius heemstrai

Melanostigma bathium

Bigtooth eelpout

Deepsea herring

Pachycara dolichaulus

Plectranthias robertsi

Malakichthys mochizuki

Pseudoscopelus parini

Thinlip splitfin

Kali indica

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

Platyberyx opalescens

Pseudoscopelus bothrorrhinos

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


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.

Stout slipskin

New Zealand ruffe

Melanostigma orientale

Lycodapus derjugini

Bathyclupea gracilis

Pseudoscopelus scutatus

Eumegistus brevorti

Pseudoscopelus microps

Kali normani

Plectranthias pallidus

Malakichthys barbatus

Trewavas croaker

Kali colubrina

Pseudoscopelus aphos

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.

Longfin fathead

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.

Caristius groenlandicus

Seleniolycus pectoralis

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.

Pale eelpout

Bathyclupea megaceps

Bothrocara nyx

Lycenchelys imamurai

Malakichthys similis

Pseudoscopelus pierbartus

Pseudoscopelus cephalus

Kali macrodon

Sherborn's cardinalfish

Stubraker sculpin

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

African barrelfish

Midwater eelpout

Cocoa snapper

Silver splitfin

Atlantic soft pout

Deepwater slipskin


Bathyclupea hoskynii

Pseudoscopelus stellatus

Brilliant pomfret

Order Pleuronectiformes

Smallmouth moonflounder

Bathysolea lactea

Deepwater sole

Order Polymixiiformes

Japanese beardfish

Order Saccopharyngiformes

Gulper eel

Monognathus ozawai

Monognathus herringi

Saccopharynx thalassa

Saccopharynx harrisoni

Monognathus smithi

Monognathus jesse

Monognathus boehlkei

Saccopharynx paucovertebratis

Saccopharynx berteli

Monognathus rajui

Monognathus isaacsi

Monognathus berteli

Saccopharynx trilobatus

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

Saccopharynx hjorti

Monognathus taningi

Monognathus nigeli

Monognathus bruuni

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

Saccopharynx ramosus


Monognathus rosenblatti

Monognathus jesperseni

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.

Saccopharynx lavenbergi

Order Scorpaeniformes

Multipore dwarf snailfish

Notoliparis antonbruuni

Midwater scorpionfish

Deepwater rockfish - S.

Stein's dwarf snailfish

Squaloliparis dentatus

Gelatinous dwarf snailfish

Careproctus marginatus

Acantholiparis caecus

Genioliparis kafanovi

Marvelous dwarf snailfish

Tadpole liparid

Short-headed sculpin

Blackmouth rockfish

Edentoliparis terraenovae

Paraliparis carlbondi

Icelus mandibularis

Smalleye dwarf snailfish

Sargasso dwarf snailfish

Genioliparis ferox

Paraliparis skeliphrus

Order Squaliformes

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.

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.

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.

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.

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.

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


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

Malacosarcus macrostoma


Melamphaes eulepis

Poromitra gibbsi

Twospine bigscale

Melamphaes spinifer

Melamphaes parini

Scopeloberyx microlepis

Melamphaes laeviceps

Poromitra unicornis


Abyssoberyx levisquamosus


Melamphaes pumilus


Highsnout bigscale


Melamphaes hubbsi



Scopelogadus unispinis


Little bigscale


Melamphaes leprus

Melamphaes ebelingi

Large-headed midnight fish

Order Stomiiformes

Eustomias parri

Scaleless dragonfish

Ebeling's fangjaw

Lovely hatchetfish

Astronesthes karsteni

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

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

Bathophilus pawneei

Astronesthes gudrunae

Highfin dragonfish

Eustomias cirritus

Melanostomias pollicifer

Eustomias monoclonoides

Chauliodus pammelas

Eustomias schiffi

Benttooth bristlemouth

Astronesthes dupliglandis

Bathophilus altipinnis

Astronesthes similus

Eustomias posti

Margrethia valentinae

Stomias danae

Eustomias braueri

Torpedo dragonfish

Melanostomias globulifer

Eustomias mesostenus

Leptostomias multifilis

Ichthyococcus parini

Eustomias bibulboides

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.

Astronesthes splendida

Aristostomias polydactylus

Astronesthes martensii

Eustomias interruptus

Slender snaggletooth

Maurolicus rudjakovi

Eustomias aequatorialis

Photonectes margarita

Borostomias elucens

Slender bristlemouth

Photonectes albipennis

Eustomias elongatus

Manducus maderensis

Eustomias pinnatus

Sonoda paucilampa

Half-naked hatchetfish

Astronesthes lampara

Maurolicus javanicus

Astronesthes indicus

Argyripnus iridescens

Bathophilus kingi

Eustomias tetranema


Eustomias cryptobulbus

Eustomias pacificus

Araiophos eastropas

Astronesthes galapagensis

Scaleless black dragonfish

Eustomias micropterygius

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

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

Scaly dragonfish

Eustomias bulbornatus

Tentacle dragonfish

Pacific blackdragon

Eustomias bimargaritoides

Elongated bristlemouth fish

Thorophos nexilis

Eustomias medusa


Astronesthes chrysophekadion

Scaly dragonfish


Astronesthes trifibulatus

Scaleless dragonfish

Highlight hatchetfish


Bulldog lightfish

Eustomias austratlanticus

Photostomias goodyeari

Eustomias lanceolatus

Aristostomias grimaldii


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.

Panama snaggletooth

Photonectes gracilis

Odontostomias micropogon

Eustomias ignotus

Polyipnus meteori

Eustomias digitatus

Eustomias patulus

Slender fangjaw

Pacific hatchet fish

Astronesthes kreffti

Eustomias uniramis

Emperor seamount lightfish

Yellow bristlemouth

Bathophilus proximus

Astronesthes haplophos

Bathophilus indicus


Eustomias contiguus

Threelight dragonfish

Melanostomias stewarti

Eustomias monoclonus

Chauliodus schmidti

Eustomias schmidti

Astronesthes exsul

Longfin dragonfish

Diplophos australis

Eustomias problematicus

Stomias gracilis

Eustomias brevibarbatus

Grammatostomias flagellibarba

Melanostomias melanopogon

Eustomias metamelas

Yarrella argenteola

Scaleless dragonfish

Astronesthes atlanticus

Leptostomias robustus


Ichthyococcus polli

Eustomias bifilis

Astronesthes tanibe



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

Eustomias albibulbus

Photonectes parvimanus

Eustomias ioani

Valenciennellus carlsbergi

Maurolicus stehmanni

Astronesthes leucopogon

Sladen's hatchet fish

Argyripnus pharos

Astronesthes indopacificus

Opostomias micripnus

Maurolicus kornilovorum

Borostomias mononema

Cyclothone pygmaea

Scaleless dragonfish

Eustomias gibbsi

Eustomias tomentosis

Maurolicus australis


Eustomias curtatus

Triplophos hemingi

Eustomias parini

Scaleless dragonfish



Eustomias cancriensis

Melanostomias nigroaxialis

Eustomias minimus

Chauliodus minimus

Eustomias satterleei

Alcock's boafish

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 bituberoides

Gonostoma longipinnis

Thysanactis dentex

Scaleless dragonfish

Eustomias melanostigmoides

Bigeye lightfish

Astronesthes decoratus

Astronesthes quasiindicus


Leptostomias longibarba

Sternoptyx pseudodiaphana


Eustomias bertelseni


Eustomias longiramis

Vinciguerria mabahiss - Vinciguerria mabahiss is a species of Vinciguerria.

Aristostomias lunifer

Astronesthes macropogon

Scaleless dragonfish

Pachystomias microdon

Maurolicus parvipinnis

Photonectes leucospilus

Eustomias inconstans

Polyipnus soelae

Bonapartia pedaliota

Cyclothone parapallida

Photonectes achirus

Eustomias dispar

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

Eustomias paxtoni

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

Eustomias vitiazi

Maurolicus inventionis

Astronesthes illuminatus

Scaleless dragonfish

Bathophilus irregularis

Eustomias spherulifer

Deep-water bristlemouth

Eustomias crossotus

Valdivia black dragon fish

Eustomias multifilis

Chauliodus vasnetzovi - Viperfish

Astronesthes formosana

Bathophilus brevis

Diplophos pacificus

Eustomias quadrifilis

Stomias lampropeltis

Eustomias bulbiramis

Melanostomias melanopogon

Eustomias micraster

Chauliodus dentatus

Eustomias magnificus

Heterophotus ophistoma

Astronesthes bilobatus

Black-belly dragonfish

Eustomias bimargaritatus

Atlantic fangjaw

Thorophos euryops

Astronesthes tatyanae


Sternoptyx obscura

Maurolicus walvisensis

Slim lightfish

Eustomias australensis

Photostomias atrox

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


Pacific astronesthid fish

Pitgum lanternfish

Maurolicus mucronatus

Borostomias pacificus

Arrow dragonfish

Photonectes caerulescens

Odontostomias masticopogon

Eustomias hulleyi

Polyipnus inermis

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.

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.

False boarfish


Rosy dory

Allocyttus guineensis

Neocyttus acanthorhynchus