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

Serrivomer garmani

Avocettina bowersii

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

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.

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

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

Benthenchelys indicus

Chlopsis longidens

Crossthroat sawpalate

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

Acromycter longipectoralis

Avocettina paucipora

Leptocephalus congroides

Labichthys carinatus

Serrivomer schmidti

Saurenchelys taiwanensis

Nessorhamphus danae

Serrivomer danae

Nemichthys larseni

Benthenchelys pacificus

Black saw-toothed eel

Bean's sawtooth eel

Dogface witch-eel

Bathymyrus echinorhynchus

Labichthys yanoi

Order Ateleopodiformes

Parateleopus microstomus

Order Aulopiformes


Scopelarchoides kreffti

Macroparalepis longilateralis

Evermannella ahlstromi

Sharpchin barracudina

Japanese barracudina

Lestidiops similis


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

Coccorella atrata

Zugmayer's pearleye

Lestidiops indopacifica

Scopelarchoides danae

Scopelosaurus adleri

Ahliesaurus berryi

Bigfin pearleye

Stemonosudis siliquiventer

Stemonosudis gracilis


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


Lestidium bigelowi

Scopelosaurus mauli

Uncisudis longirostra


Lestidiops pacificus



Magnisudis indica

Scopelarchoides nicholsi


Evermannella megalops

Stemonosudis molesta

Naked barracuda

Stemonosudis bullisi


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

Scopelosaurus craddocki

Longfin pearleye

Chubby pearleye


Ahliesaurus brevis

Antarctic jonasfish

White barracudina

Paralepis speciosa

Scopelarchus stephensi

Macroparalepis danae

Stemonosudis intermedia

Lestidium prolixum

Uncisudis posteropelvis

Undistinguished sabretooth

Slender barracudina

Atlantic sabretooth

Benthalbella elongata

Lestidiops extrema

Scopelarchoides climax

Southern barracudina

Scopelarchoides signifer

Macroparalepis nigra

Dolichosudis fuliginosa

Stemonosudis rothschildi

Stemonosudis elegans

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

Fierce pike smelt

Atlantic barracudina

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

Scopelosaurus gibbsi

Uncisudis advena

Benthalbella macropinna

Strange pike smelt

Order Beryciformes

Slimy head

Hoplostethus melanopterus

Hoplostethus druzhinini

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.

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.

Parin's spiny fin

Hoplostethus shubnikovi

Hoplostethus mikhailini


Hoplostethus confinis

Paratrachichthys fernandezianus

Hoplostethus rifti

Aulotrachichthys latus

Slimy head

Hoplostethus fedorovi

Longwing spinyfin

Parinoberyx horridus

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 tenebricus

Atlantic roughy

Hoplostethus marisrubri

Hoplostethus crassispinus

Paratrachichthys sajademalensis

Hoplostethus rubellopterus

Aulotrachichthys prosthemius

Hoplostethus metallicus

Hoplostethus fragilis

Hoplostethus abramovi

Diretmoides veriginae

Parmops echinatus

Paratrachichthys argyrophanus

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.

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.

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.

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.

Apristurus internatus - Reproduction is oviparous.

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

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.

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

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.

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

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

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

Cetomimus gillii

Parataeniophorus gulosus

Trunov southern cetomimid

Megalomycter teevani

Cetomimus picklei

Ditropichthys storeri

Cetichthys indagator

Gyrinomimus myersi

Ataxolepis apus

Pink flabby whalefish

Vitiaziella cubiceps


Gyrinomimus bruuni

Danacetichthys galathenus

Festive ribbonfish

Cetomimus teevani

Cetichthys parini

Parataeniophorus brevis

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

Gyrinomimus simplex

Ataxolepis henactis

Procetichthys kreffti

Cetomimus kerdops

Order Chimaeriformes

Hydrolagus lusitanicus


Order Gadiformes

Tripterophycis svetovidovi

Grenadier fish

Myers' grenadier

Gadella edelmanni

Coryphaenoides grahami


Whitson's grenadier

Parin's grenadier

Physiculus parini

Large-eye grenadier

Hymenocephalus antraeus

Globehead grenadier

Kumba punctulata

Smallhead moray cod

Coryphaenoides spinulosus

Physiculus nigriscens

Bluntnose grenadier

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

Kumba gymnorhynchus

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

Echinomacrurus mollis

Threadfin grenadier

Mediterranean grenadier

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

Trachonurus sentipellis

Physiculus sazonovi

Carmine grenadier

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.

Ventrifossa paxtoni

Naked snout rattail

Laemonema melanurum

Squalogadus modificatus

Berry's grenadier

Kumba maculisquama

Coelorinchus trunovi

Sphagemacrurus richardi

Sturgeon-like grenadier fish

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

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

Doublethread grenadier

Coryphaenoides macrolophus

Bluntsnout grenadier

Physiculus peregrinus

Coryphaenoides camurus

Hymenocephalus aterrimus

Patagonian codling

Roundhead grenadier

Kumba hebetata

Coelorinchus melanosagmatus

Pugnose grenadier

Coryphaenoides striaturus

Dusky rattail

Gadomus multifilis

Coryphaenoides microps

Rhynchogadus hepaticus

Gadella brocca


Striped codlet

Hymenocephalus striatulus

Bristly grenadier

Physiculus therosideros

Macrouroides inflaticeps

Fragile grenadier

Narrowsnout grenadier

Finescale mora

Bighead mora

Kumba musorstom

Coelorinchus vityazae

Slendertail grenadier

Muraenolepis andriashevi

Coryphaenoides semiscaber

Physiculus longifilis

Blunt-nosed grenadier

Kumba calvifrons

Gadomus capensis

Coryphaenoides mcmillani

Kaiwi Channel grenadier

Physiculus roseus

Guttigadus nudicephalus

Bighead grenadier

Dogtooth grenadier

Hymenocephalus barbatulus

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

Bathypelagic rattail

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

Coelorinchus nazcaensis

Sphagemacrurus pumiliceps

Order Lampriformes

Taper-tail ribbonfish

Crested oarfish

Regalecus russelii

Southern 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.

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.


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

Order Lophiiformes

Bufoceratias thele

Phyllorhinichthys balushkini - P.

Linophryne escaramosa

Oneirodes micronema

Himantolophus mauli

Dolopichthys karsteni

Danaphryne nigrifilis

Linophryne bipennata

Acentrophryne longidens

Pietschichthys horridus

Linophryne racemifera

Oneirodes kreffti

Himantolophus crinitus

Linophryne maderensis

Oneirodes dicromischus

Himantolophus azurlucens

Gigantactis microphthalmus

Melanocetus eustalus

Linophryne andersoni

Oneirodes bradburyae

Haplophryne triregium

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.

Gigantactis longicauda

Pentherichthys venustus

Gigantactis golovani

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

Oneirodes rosenblatti

Diceratias trilobus

Smooth anglerfish

Himantolophus nigricornis

Linophryne macrodon

Stargazing seadevil

Oneirodes macrosteus

Himantolophus macroceras

Rhynchactis microthrix

Linophryne densiramus

Cosmopolitan whipnose

Melanocetus rossi

Linophryne argyresca

Caulophryne pietschi

Linophryne polypogon

Oneirodes haplonema

Himantolophus compressus

Dolopichthys dinema

Gigantactis meadi

Smooth dreamer

Oneirodes clarkei

Himantolophus albinares

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.

Gigantactis ios

Oneirodes posti

Pacific footballfish

Gigantactis gargantua

Triplewart seadevil

Robia legula

Bufoceratias wedli

Phyllorhinichthys micractis - P.

Linophryne indica

Whalehead dreamer

Oneirodes mirus

Himantolophus melanolophus

Oneirodes luetkeni

Himantolophus danae

Dolopichthys pullatus

Rhynchactis leptonema

Linophryne brevibarbata

Linophryne sexfilis

Linophryne parini

Nightmare dreamer

Himantolophus borealis

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 .

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 longicirra

Bulbous dreamer

Oneirodes thysanema

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.

Gigantactis gracilicauda

Oneirodes alius

Short-rod anglerfish

Tyrannophryne pugnax - The most distinctive feature of T.

Torpedo batfish

Oneirodes pietschi

Himantolophus paucifilosus

Gigantactis balushkini

Chirophryne xenolophus

Oneirodes melanocauda

Himantolophus macroceratoides

Bufoceratias shaoi

Linophryne digitopogon

Dolopichthys jubatus

Gigantactis watermani

Linophryne bicornis

Caulophryne polynema

Acentrophryne dolichonema

Linophryne quinqueramosa

Oneirodes heteronema

Himantolophus cornifer

Chaenophryne ramifera

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.

Plainchin dreamarm

Gigantactis microdontis

Linophryne algibarbata

Oneirodes basili

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

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

Gigantactis gibbsi

Ctenochirichthys longimanus

Two-rod anglerfish

Oneirodes myrionemus

Himantolophus multifurcatus

Linophryne lucifer

Lophodolos indicus

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

Oneirodes macronema

Atlantic footballfish

Rhynchactis macrothrix

Linophryne coronata

Caulophryne pelagica

Linophryne pennibarbata

Oneirodes flagellifer

Himantolophus brevirostris

Puck pinnata

Gigantactis savagei

Murray's abyssal anglerfish

Linophryne arcturi

Gigantactis macronema

Photocorynus spiniceps - The known mature male individuals are 6.

Smooth dreamer

Bulbous dreamer

Oneirodes whitleyi

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.

Gigantactis herwigi

Oneirodes plagionema

Himantolophus pseudalbinares

Gigantactis elsmani

Order Myctophiformes

Gonichthys venetus

Andersen's lantern fish

Diaphus handi

Cocco's lantern fish

Diaphus umbroculus

Slimtail lampfish

Broadfin lampfish

Garnet lanternfish

Nannobrachium indicum

Diaphus drachmanni

Pig-headed lantern fish

Pacific blackchin

Gymnoscopelus hintonoides

Diaphus subtilis


Lampanyctus hubbsi



Protomyctophum bolini

Mirror lanterfish

Nannobrachium cuprarium

Taaningichthys paurolychnus

Diaphus ostenfeldi


Spiny lantern fish

Popeye lampfish

Evermann's lantern fish


Spinycheek lanternfish

Diaphus megalops

Metelectrona ventralis

Lantern fish

Longfin lampfish

Electrona antarctica

Diaphus basileusi

Diaphus kuroshio

Japanese lanternfish

Fragile lantern fish

Triphoturus oculeum

Gymnoscopelus opisthopterus

Diaphus thiollierei


Nannobrachium phyllisae


Gilbert's large lantern fish

Neoscopelus microchir

Diaphus dahlgreni

Gymnoscopelus braueri

Diaphus similis

Protomyctophum gemmatum

Spinytail lampfish


Nannobrachium bristori


Reinhardt's lantern fish

Transparent lantern fish

Protomyctophum andriashevi



Spotted laternfish

Parvilux boschmai

Benoit's lanternfish

Diaphus lucidus

Myctophum indicum

Lampanyctus vadulus

Chubby flashlightfish

Nannobrachium wisneri

Diaphus antonbruuni

Hudson's lanternfish

Topside lampfish

Krefftichthys anderssoni

Diaphus whitleyi


Diaphus taaningi

Protomyctophum parallelum

Lampanyctus iselinoides


Blue lanternfish

Diaphus ehrhorni

Gymnoscopelus microlampas

Short-headed lantern fish

Diaphus richardsoni

Protomyctophum chilense

Lampadena urophaos atlantica

Nannobrachium fernae

Bolinichthys nikolayi

Symbolophorus rufinus


Diaphus pallidus

Lampadena dea

Lantern fish


Skinnycheek lanternfish

Spothead lantern fish

Diaphus lobatus

Horned lanternfish


Longfin lanternfish

Golden lanternfish

Lampanyctus tenuiformis

Electron subantarctic

Diaphus garmani

Doflein's false headlightfish

Diaphus trachops

Rakery beaconlamp

Pinpoint lampfish

Slendertail lanternfish

Diaphus aliciae

Smallfin lanternfish

Nannobrachium idostigma

Diaphus dehaveni

Gymnoscopelus fraseri


Protomyctophum luciferum


Bolin's lantern fish

Arctic telescope

Lampadena pontifex

Nannobrachium crypticum

Taaningichthys minimus


Diaphus nielseni

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

Mead's lanternfish

Metelectrona ahlstromi

Myctophum lychnobium

Hintonia candens



Lampanyctus simulator

Diaphus arabicus

Diaphus jenseni


Diaphus faustinoi

Highseas lampfish


Taaning's lantern fish

Bigeye lanternfish

Brokenline lanternfish

Black lantern fish

Gonichthys barnesi

Tarletonbeania taylori

Large-scaled lantern fish

Golden-nosed lantern fish

Diaphus roei


Lampadena yaquinae

Nannobrachium gibbsi


Lantern fish

Diaphus parri




Diaphus minax

Myctophum orientale

Smallfin lanternfish

Thickhead lanternfish

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

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.

Order Notacanthiformes

Halosaurus parvipennis

Aldrovandia rostrata

Polyacanthonotus africanus

Halosaurus carinicauda

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

Bonapart's spiny eel

Halosaurus sinensis

Longnose tapirfish


Aldrovandia oleosa

Notacanthus indicus

Halosaurus attenuatus

Order Ophidiiformes

Pelagic brotula

Barathronus bruuni

Alcockia rostrata

Parabrotula tanseimaru

Brotulotaenia brevicauda

Apagesoma delosommatus

Bassozetus zenkevitchi

Lamprogrammus niger

Barathronus pacificus

Barathrites parri

Brotulotaenia nigra

Bony-eared assfish

Aphyonus bolini

Barathronus diaphanus

Two-spined slopebrotula

Violet cuskeel

Nielsen's catetyx

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

Apagesoma edentatum

Barathronus parfaiti

Barathronus bicolor

Thalassobathia nelsoni

Parabrotula plagiophthalmus

Aphyonus brevidorsalis

Barathronus multidens

Marshall slopebrotula

Brotulotaenia nielseni

Leucobrotula adipata

Gunther's cuskeel

Barathronus unicolor

Order Osmeriformes

Mentodus eubranchus

Bruce's argentine

Bathytroctes zugmayeri

Abyssal smooth-head

Koefoed's smooth-head

Leptoderma lubricum

Threadfin smooth-head

Bajacalifornia erimoensis

Normichthys yahganorum

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

Dolichopteryx anascopa

Bathylagus tenuis

Murray's smooth-head

Streaklight tubeshoulder

Rouleina watasei

Blackhead salmon

Rouleina guentheri

Nansenia megalopa

Ghost smelt

Conocara bertelseni

Matsuichthys aequipinnis

Bighead searsid


Nansenia antarctica

Mentodus mesalirus

Leaf searsid

Eared blacksmelt

Mentodus bythios

Bathytroctes pappenheimi

Schnakenbeck's searsid

Hairfin smooth-head

Bajacalifornia arcylepis

Normichthys herringi

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

Bathytroctes inspector

Vaillant's smooth-head

Fanfin smooth-head

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.

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

Searsioides calvala

Norman's smooth-head

Pacific black smelt

Longfin smooth-head

Maulisia isaacsi

Holtbyrnia intermedia

Binghamichthys aphos

Rouleina nuda

Narcetes erimelas

Palebelly searsid

Bathylagus andriashevi

Robust blacksmelt

Rouleina eucla

Nansenia iberica

Toothless smooth-head

Mentodus facilis

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

Michael Sars smooth-head

Leptoderma retropinna

Pygmy argentine

Shining tubeshoulder

Bigeye smooth-head

Dolichopteryx trunovi

Bathytroctes breviceps

Krefft's smooth-head

Asquamiceps caeruleus

Dolichopteryx binocularis

Snubnose blacksmelt

Salmon smooth-head

Holtbyrnia ophiocephala

Bathylagus niger

Fiolenti's smooth-head

Maulisia acuticeps

Holtbyrnia conocephala

Rouleina livida

Nansenia sanrikuensis

Mentodus perforatus

Bathylagichthys longipinnis

Bluethroat argentine

Mentodus crassus

Bathytroctes squamosus

Starry smooth-head

Bathytroctes macrognathus

Leptoderma affinis

Threadfin slickhead

Deep-sea smelt

Brown slickhead

Multipore searsid

Winged spookfish


Searsioides multispinus

Longsnout blacksmelt

California smoothtongue

Elongate smooth-head

Smallscale searsid

Holtbyrnia laticauda

Pectinantus parini

Bluntsnout slickhead

Narcetes lloydi

Barbantus elongatus

Bathylagus borealis

Rouleina euryops

Nansenia longicauda

Bathylaco nielseni

Loosescale smooth-head

Nansenia ahlstromi

Mentodus longirostris

Bajacalifornia microstoma

Legless searsid

Smallscale smooth-head

Sagamichthys gracilis

Bajacalifornia aequatoris

Bathytroctes elegans

Agassiz' smooth-head

Antillean smooth-head

Winteria telescopa

Asquamiceps hjorti

Dolichopteryx brachyrhynchus

Werner's smooth-head

Koefoed's searsid

Blackchin blacksmelt

Conocara kreffti

Palegold searsid

Teardrop tubeshoulder

Madeiran smooth-head

Nansenia tenuicauda

Bathylagoides argyrogaster

Softskin smooth-head

Greenland argentine

Order Perciformes

New Zealand ruffe

Melanostigma orientale

Plectranthias parini

Kali parri

Malakichthys levis

Kali falx

Bathyclupea gracilis

Bigmouth veilfin

Tonga escolar


Seleniolycus robertsi

Pseudoscopelus scutatus

Eumegistus brevorti

Lycodapus microchir

Pseudoscopelus microps

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


Pseudoscopelus aphos

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

Tasmanian ruffe

Kali macrura

Bathyclupea megaceps

Black swallower

Paracaristius maderensis

Atrobucca geniae

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.

Bothrocara nyx

Pseudoscopelus pierbartus

Seleniolycus laevifasciatus

Bigtooth eelpout

Pseudoscopelus cephalus

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.

Plectranthias robertsi

Malakichthys mochizuki

Bathyclupea hoskynii

Cocoa snapper

Atlantic soft pout

Silver splitfin

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

Platyberyx opalescens

Kali indica


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


Stout slipskin

Pseudoscopelus obtusifrons


Pseudoscopelus astronesthidens

Lycodapus derjugini

Blue driftfish

Plectranthias pallidus

Kali normani

Malakichthys barbatus

Trewavas croaker

Melanostigma inexpectatum

Kali colubrina

Bathyclupea argentea

Seleniolycus pectoralis

Pseudoscopelus sagamianus

Pale eelpout

Pseudoscopelus lavenbergi

Lycenchelys imamurai

Barracuda cardinalfish

Pseudoscopelus altipinnis

Howella zina

Malakichthys similis

Melanostigma vitiazi

Aethotaxis mitopteryx pawsoni

Kali macrodon

Deepsea herring

Dysalotus oligoscolus

Paracaristius heemstrai

Melanostigma bathium

Pachycara dolichaulus

Thinlip splitfin


Stubraker sculpin

Pseudoscopelus parini

Deepwater slipskin

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

Order Pleuronectiformes

Smallmouth moonflounder

Deepwater sole

Bathysolea lactea

Order Polymixiiformes

Japanese beardfish

Order Saccopharyngiformes

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 smithi

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

Saccopharynx ramosus

Monognathus jesse


Monognathus boehlkei

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 berteli

Monognathus taningi

Saccopharynx thalassa

Monognathus nigeli

Monognathus bruuni

Saccopharynx harrisoni

Monognathus rosenblatti

Monognathus jesperseni

Saccopharynx paucovertebratis

Saccopharynx berteli

Monognathus bertini

Order Scorpaeniformes

Notoliparis antonbruuni

Multipore dwarf snailfish

Edentoliparis terraenovae

Paraliparis carlbondi

Icelus mandibularis

Deepwater rockfish - S.

Stein's dwarf snailfish

Gelatinous dwarf snailfish

Genioliparis ferox

Paraliparis skeliphrus

Marvelous dwarf snailfish

Blackmouth rockfish

Smalleye dwarf snailfish

Midwater scorpionfish

Squaloliparis dentatus

Sargasso dwarf snailfish

Genioliparis kafanovi

Careproctus marginatus

Acantholiparis caecus

Tadpole liparid

Short-headed sculpin

Order Squaliformes

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

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.

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

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.

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.

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

Lantern sharks - Reproduction is ovoviviparous.

Cylindrical lantern shark - Reproduction is presumed to be 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.

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 dislineatus - Reproduction is ovoviviparous.

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

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.

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.

Order Stephanoberyciformes

Scopelogadus beanii


Abyssoberyx levisquamosus

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

Melamphaes pumilus

Highsnout bigscale


Melamphaes hubbsi

Longjaw bigscale

Malacosarcus macrostoma


Poromitra gibbsi

Little bigscale

Melamphaes leprus

Melamphaes ebelingi

Twospine bigscale

Scopeloberyx microlepis


Poromitra unicornis

Melamphaes macrocephalus


Melamphaes indicus


Slender bigscale



Melamphaes polylepis



Melamphaes eulepis

Scopelogadus unispinis


Melamphaes spinifer

Large-headed midnight fish

Melamphaes parini

Melamphaes laeviceps

Order Stomiiformes

Eustomias bifilis

Ichthyococcus polli

Eustomias curtifilis

Eustomias parri

Scaleless dragonfish

Ebeling's fangjaw

Astronesthes haplophos


Leptostomias robustus

Astronesthes exsul

Maurolicus stehmanni

Eustomias albibulbus

Photonectes parvimanus

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

Eustomias cirritus

Melanostomias pollicifer

Eustomias monoclonoides

Chauliodus pammelas

Eustomias braueri

Melanostomias globulifer

Torpedo dragonfish

Eustomias mesostenus

Scaleless dragonfish

Astronesthes atlanticus

Opostomias micripnus

Maurolicus kornilovorum

Astronesthes splendida

Borostomias mononema

Cyclothone pygmaea

Scaleless dragonfish

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 tomentosis

Maurolicus australis



Astronesthes leucopogon

Alcock's boafish

Eustomias interruptus

Sladen's hatchet fish

Eustomias satterleei

Argyripnus pharos

Eustomias pinnatus

Sonoda paucilampa

Manducus maderensis

Astronesthes indopacificus

Shortbarbel dragonfish

Eustomias bituberoides

Gonostoma longipinnis

Thysanactis dentex

Scaleless 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 elongatus

Eustomias cryptobulbus

Eustomias pacificus


Sternoptyx pseudodiaphana

Leptostomias longibarba

Eustomias bertelseni



Astronesthes trifibulatus

Photonectes leucospilus

Eustomias bulbornatus

Tentacle dragonfish

Eustomias micropterygius

Scaleless dragonfish

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

Astronesthes decoratus

Scaleless dragonfish

Pachystomias microdon

Maurolicus parvipinnis

Eustomias vitiazi

Maurolicus inventionis

Astronesthes quasiindicus

Bonapartia pedaliota

Cyclothone parapallida

Photonectes achirus

Eustomias medusa

Bathophilus irregularis


Eustomias lanceolatus

Bathophilus brevis

Aristostomias lunifer

Eustomias spherulifer

Astronesthes macropogon

Deep-water bristlemouth

Eustomias ignotus

Odontostomias micropogon

Polyipnus meteori

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.

Diplophos pacificus

Eustomias quadrifilis

Astronesthes lamellosus

Stomias lampropeltis

Astronesthes illuminatus

Black-belly dragonfish

Eustomias bimargaritatus

Atlantic fangjaw

Thorophos euryops

Eustomias digitatus

Eustomias patulus

Slender fangjaw

Eustomias monoclonus

Chauliodus schmidti

Astronesthes formosana

Sternoptyx obscura

Maurolicus walvisensis

Eustomias australensis

Photostomias atrox

Slim lightfish

Eustomias contiguus

Threelight dragonfish

Melanostomias stewarti

Eustomias brevibarbatus

Melanostomias melanopogon

Grammatostomias flagellibarba

Eustomias metamelas

Bathophilus pawneei

Yarrella argenteola

Astronesthes bilobatus

Pitgum lanternfish

Maurolicus mucronatus

Astronesthes tanibe

Borostomias pacificus

Arrow dragonfish

Photonectes caerulescens


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.

Scaleless dragonfish

Highfin dragonfish

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 schiffi

Pacific astronesthid fish

Benttooth bristlemouth

Eustomias ioani

Bathophilus altipinnis

Valenciennellus carlsbergi

Eustomias gibbsi

Lovely hatchetfish

Eustomias posti

Margrethia valentinae

Astronesthes karsteni

Stomias danae

Eustomias curtatus

Triplophos hemingi

Eustomias parini

Astronesthes gudrunae

Leptostomias multifilis

Eustomias bibulboides

Ichthyococcus parini

Astronesthes dupliglandis

Slender snaggletooth

Maurolicus rudjakovi


Eustomias aequatorialis

Photonectes margarita

Eustomias cancriensis

Melanostomias nigroaxialis

Eustomias minimus

Chauliodus minimus

Eustomias melanostigmoides

Bathophilus kingi

Bigeye lightfish

Maurolicus javanicus

Astronesthes similus

Borostomias elucens

Slender bristlemouth

Photonectes albipennis

Eustomias longiramis

Scaleless black dragonfish

Vinciguerria mabahiss - Vinciguerria mabahiss is a species of Vinciguerria.

Aristostomias polydactylus

Eustomias tetranema

Astronesthes martensii


Eustomias inconstans

Polyipnus soelae

Half-naked hatchetfish

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

Astronesthes lampara

Scaly dragonfish

Argyripnus iridescens

Eustomias paxtoni

Astronesthes indicus

Scaly dragonfish

Eustomias bimargaritoides

Elongated bristlemouth fish

Thorophos nexilis

Pacific blackdragon

Eustomias dispar

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

Eustomias crossotus

Valdivia black dragon fish

Araiophos eastropas

Eustomias multifilis

Chauliodus vasnetzovi - Viperfish

Astronesthes galapagensis

Highlight hatchetfish


Scaleless dragonfish

Eustomias austratlanticus

Photostomias goodyeari

Bulldog lightfish

Eustomias bulbiramis

Melanostomias melanopogon

Eustomias micraster

Bathophilus proximus

Chauliodus dentatus

Astronesthes chrysophekadion

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.

Astronesthes tatyanae

Panama snaggletooth

Photonectes gracilis


Yellow bristlemouth

Eustomias magnificus

Bathophilus indicus

Heterophotus ophistoma

Eustomias uniramis

Emperor seamount lightfish

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

Longfin dragonfish


Aristostomias grimaldii

Eustomias schmidti



Eustomias hulleyi

Odontostomias masticopogon

Polyipnus inermis

Pacific hatchet fish

Diplophos australis

Eustomias problematicus

Astronesthes kreffti

Stomias gracilis

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

Rosy dory


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.

Allocyttus guineensis

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.

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

False boarfish