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.

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.

Avocettina paucipora

Leptocephalus congroides

Labichthys carinatus

Serrivomer schmidti

Saurenchelys taiwanensis

Nessorhamphus danae

Serrivomer danae

Nemichthys larseni

Avocettina acuticeps

Benthenchelys pacificus

Black saw-toothed eel

Bean's sawtooth eel

Dogface witch-eel

Bathymyrus echinorhynchus

Labichthys yanoi

Acromycter longipectoralis

Order Ateleopodiformes

Parateleopus microstomus

Order Aulopiformes


Scopelarchoides kreffti

Macroparalepis longilateralis

Sharpchin barracudina

Evermannella ahlstromi

Japanese barracudina

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

Ahliesaurus brevis

White 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

Bigfin pearleye

Stemonosudis siliquiventer

Stemonosudis gracilis



Lestidium bigelowi

Uncisudis longirostra

Scopelosaurus mauli


Lestidiops pacificus



Magnisudis indica

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

Scopelarchoides nicholsi


Stemonosudis molesta

Evermannella megalops

Naked barracuda

Stemonosudis bullisi

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


Scopelosaurus craddocki

Longfin pearleye

Chubby pearleye


Antarctic jonasfish

Paralepis speciosa

Scopelarchus stephensi

Macroparalepis danae

Stemonosudis intermedia

Lestidium prolixum

Ahliesaurus berryi

Uncisudis posteropelvis

Undistinguished sabretooth

Slender barracudina

Atlantic sabretooth

Benthalbella elongata

Lestidiops extrema

Scopelarchoides climax

Southern barracudina

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

Scopelarchoides signifer

Macroparalepis nigra

Dolichosudis fuliginosa

Stemonosudis rothschildi

Stemonosudis elegans

Fierce pike smelt

Atlantic barracudina

Uncisudis advena

Scopelosaurus gibbsi

Benthalbella macropinna

Strange pike smelt

Order Beryciformes

Slimy head

Hoplostethus melanopterus

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 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.

Parin's spiny fin

Hoplostethus shubnikovi

Hoplostethus mikhailini


Hoplostethus confinis

Aulotrachichthys prosthemius

Paratrachichthys fernandezianus

Hoplostethus rifti

Slimy head

Hoplostethus fedorovi

Longwing spinyfin

Parinoberyx horridus

Hoplostethus tenebricus

Atlantic roughy

Hoplostethus marisrubri

Hoplostethus crassispinus

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.

Paratrachichthys sajademalensis

Hoplostethus rubellopterus

Hoplostethus metallicus

Hoplostethus fragilis

Hoplostethus abramovi

Aulotrachichthys latus

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.

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

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.

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

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

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

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 .

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.

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

Apristurus internatus - Reproduction is oviparous.

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.

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.

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

Ataxolepis henactis

Cetichthys indagator

Gyrinomimus myersi

Vitiaziella cubiceps

Pink flabby whalefish


Gyrinomimus bruuni

Danacetichthys galathenus

Festive ribbonfish

Cetomimus teevani

Cetichthys parini

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

Parataeniophorus brevis

Gyrinomimus simplex

Procetichthys kreffti

Cetomimus kerdops

Ataxolepis apus

Order Chimaeriformes

Hydrolagus lusitanicus


Order Gadiformes

Tripterophycis svetovidovi

Grenadier fish

Myers' grenadier

Gadella edelmanni

Coryphaenoides grahami


Whitson's grenadier

Physiculus parini

Parin's grenadier

Large-eye grenadier

Hymenocephalus antraeus

Globehead grenadier

Kumba punctulata

Smallhead moray cod

Coryphaenoides spinulosus

Bluntnose grenadier

Physiculus nigriscens

Kumba gymnorhynchus

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

Fragile grenadier

Echinomacrurus mollis

Threadfin grenadier

Mediterranean grenadier

Finescale mora

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

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

Ventrifossa paxtoni

Laemonema melanurum

Naked snout rattail

Squalogadus modificatus

Berry's grenadier

Kumba maculisquama

Sphagemacrurus richardi

Sturgeon-like grenadier fish

Coelorinchus trunovi

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

Physiculus peregrinus

Bluntsnout grenadier

Coryphaenoides camurus

Hymenocephalus aterrimus

Patagonian codling

Roundhead grenadier

Kumba hebetata

Pugnose grenadier

Coelorinchus melanosagmatus

Coryphaenoides striaturus

Dusky rattail

Rhynchogadus hepaticus

Gadomus multifilis

Coryphaenoides microps

Gadella brocca


Striped codlet

Hymenocephalus striatulus

Bristly grenadier

Physiculus therosideros

Macrouroides inflaticeps

Narrowsnout grenadier

Bighead mora

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

Kumba musorstom

Slendertail grenadier

Coelorinchus vityazae

Muraenolepis andriashevi

Coryphaenoides semiscaber

Blunt-nosed grenadier

Physiculus longifilis

Kumba calvifrons

Gadomus capensis

Coryphaenoides mcmillani

Physiculus roseus

Kaiwi Channel grenadier

Guttigadus nudicephalus

Bighead grenadier

Hymenocephalus barbatulus

Dogtooth grenadier

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.

Sphagemacrurus pumiliceps

Coelorinchus nazcaensis

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

Linophryne bipennata

Danaphryne nigrifilis

Pietschichthys horridus

Linophryne racemifera

Oneirodes kreffti

Himantolophus crinitus

Linophryne maderensis

Oneirodes dicromischus

Himantolophus azurlucens

Linophryne andersoni

Melanocetus eustalus

Gigantactis microphthalmus

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.

Pentherichthys venustus

Gigantactis longicauda

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

Acentrophryne dolichonema

Oneirodes macrosteus

Himantolophus macroceras

Rhynchactis microthrix

Linophryne densiramus

Linophryne argyresca

Melanocetus rossi

Cosmopolitan whipnose

Linophryne polypogon

Caulophryne pietschi

Oneirodes haplonema

Himantolophus compressus

Dolopichthys dinema

Gigantactis meadi

Oneirodes clarkei

Himantolophus albinares

Smooth dreamer

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

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

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

Short-rod anglerfish

Oneirodes alius

Acentrophryne longidens

Tyrannophryne pugnax - The most distinctive feature of T.

Torpedo batfish

Oneirodes pietschi

Himantolophus paucifilosus

Gigantactis balushkini

Oneirodes melanocauda

Himantolophus macroceratoides

Chirophryne xenolophus

Bufoceratias shaoi

Linophryne digitopogon

Dolopichthys jubatus

Linophryne bicornis

Gigantactis watermani

Linophryne quinqueramosa

Caulophryne polynema

Oneirodes heteronema

Himantolophus cornifer

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

Plainchin dreamarm

Linophryne algibarbata

Gigantactis microdontis

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

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

Rhynchactis macrothrix

Linophryne coronata

Linophryne pennibarbata

Caulophryne pelagica

Oneirodes flagellifer

Himantolophus brevirostris

Puck pinnata

Linophryne arcturi

Murray's abyssal anglerfish

Gigantactis savagei

Photocorynus spiniceps - The known mature male individuals are 6.

Gigantactis macronema

Bulbous dreamer

Smooth 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

Pacific blackchin

Gymnoscopelus hintonoides

Pig-headed lantern fish

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

Neoscopelus microchir


Gilbert's large lantern fish

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

Tarletonbeania taylori

Large-scaled lantern fish

Gonichthys barnesi

Golden-nosed lantern fish

Diaphus roei


Lampadena yaquinae

Nannobrachium gibbsi


Lantern fish

Diaphus parri




Diaphus minax

Myctophum orientale

Smallfin lanternfish

Thickhead lanternfish

Diaphus longleyi

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.

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

Polyacanthonotus africanus

Aldrovandia oleosa

Halosaurus carinicauda

Bonapart's spiny eel

Halosaurus sinensis

Longnose tapirfish

Aldrovandia rostrata


Notacanthus indicus

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

Halosaurus attenuatus

Order Ophidiiformes

Pelagic brotula

Barathronus bruuni

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

Apagesoma edentatum

Parabrotula tanseimaru

Brotulotaenia brevicauda

Bassozetus zenkevitchi

Lamprogrammus niger

Barathronus pacificus

Aphyonus brevidorsalis

Barathrites parri

Brotulotaenia nigra

Two-spined slopebrotula

Barathronus diaphanus

Violet cuskeel

Nielsen's catetyx

Alcockia rostrata

Barathronus parfaiti

Barathronus bicolor

Thalassobathia nelsoni

Apagesoma delosommatus

Parabrotula plagiophthalmus

Marshall slopebrotula

Barathronus multidens

Bony-eared assfish

Aphyonus bolini

Brotulotaenia nielseni

Leucobrotula adipata

Gunther's cuskeel

Barathronus unicolor

Order Osmeriformes

Mentodus eubranchus

Bathytroctes zugmayeri

Abyssal smooth-head

Asquamiceps caeruleus

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

Streaklight tubeshoulder

Murray's smooth-head

Rouleina watasei

Blackhead salmon

Rouleina guentheri

Nansenia megalopa

Ghost smelt

Matsuichthys aequipinnis

Bighead searsid

Conocara bertelseni


Nansenia antarctica

Mentodus mesalirus

Leaf searsid

Mentodus bythios

Eared blacksmelt

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

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

Maulisia isaacsi

Holtbyrnia intermedia

Longfin smooth-head

Binghamichthys aphos

Rouleina nuda

Narcetes erimelas

Palebelly searsid

Bathylagus andriashevi

Robust blacksmelt

Rouleina eucla

Nansenia iberica

Toothless smooth-head

Mentodus facilis

Asquamiceps hjorti

Michael Sars smooth-head

Leptoderma retropinna

Shining tubeshoulder

Pygmy argentine

Bigeye smooth-head

Dolichopteryx trunovi

Bathytroctes breviceps

Krefft's smooth-head

Dolichopteryx binocularis

Snubnose blacksmelt

Holtbyrnia ophiocephala

Salmon smooth-head

Bruce's argentine

Bathylagus niger

Maulisia acuticeps

Holtbyrnia conocephala

Fiolenti's smooth-head

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

Smallscale searsid

Holtbyrnia laticauda

Elongate smooth-head

Bluntsnout slickhead

Narcetes lloydi

Pectinantus parini

Barbantus elongatus

Bathylagus borealis

Rouleina euryops

Nansenia longicauda

Bathylaco nielseni

Loosescale smooth-head

Nansenia ahlstromi

Mentodus longirostris

Fanfin smooth-head

Bajacalifornia microstoma

Legless searsid

Smallscale smooth-head

Sagamichthys gracilis

Bajacalifornia aequatoris

Bathytroctes elegans

Agassiz' smooth-head

Antillean smooth-head

Winteria telescopa

Dolichopteryx brachyrhynchus

Werner's smooth-head

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

Koefoed's searsid

Blackchin blacksmelt

Palegold searsid

Teardrop tubeshoulder

Conocara kreffti

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


Tonga escolar

Bigmouth veilfin

Seleniolycus robertsi


Pseudoscopelus scutatus

Eumegistus brevorti

Lycodapus microchir

Pseudoscopelus microps

Trewavas croaker

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

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

Aethotaxis mitopteryx pawsoni

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

Silver splitfin

Atlantic soft pout

Platyberyx opalescens

Kali indica

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

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

Melanostigma inexpectatum

Kali colubrina

Bathyclupea argentea

Seleniolycus pectoralis

Pseudoscopelus sagamianus

Pale eelpout

Pseudoscopelus lavenbergi

Atrobucca geniae

Lycenchelys imamurai

Pseudoscopelus altipinnis

Barracuda cardinalfish

Howella zina

Malakichthys similis

Melanostigma vitiazi

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

Saccopharynx lavenbergi

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

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

Paraliparis skeliphrus

Genioliparis ferox

Marvelous dwarf snailfish

Acantholiparis caecus

Blackmouth rockfish

Smalleye dwarf snailfish

Midwater scorpionfish

Squaloliparis dentatus

Sargasso dwarf snailfish

Genioliparis kafanovi

Careproctus marginatus

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


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

Abyssoberyx levisquamosus



Melamphaes polylepis



Melamphaes eulepis

Scopelogadus unispinis


Melamphaes spinifer

Large-headed midnight fish

Melamphaes parini

Melamphaes laeviceps

Order Stomiiformes

Eustomias bifilis

Ichthyococcus polli

Eustomias curtifilis

Ebeling's fangjaw

Eustomias parri

Scaleless dragonfish


Leptostomias robustus

Astronesthes tanibe

Astronesthes bilobatus


Maurolicus stehmanni

Eustomias albibulbus

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

Photonectes parvimanus

Melanostomias pollicifer

Eustomias cirritus

Eustomias monoclonoides

Chauliodus pammelas

Pacific astronesthid fish

Melanostomias globulifer

Eustomias braueri

Torpedo dragonfish

Scaleless dragonfish

Eustomias mesostenus

Opostomias micripnus

Maurolicus kornilovorum

Borostomias mononema

Scaleless dragonfish

Cyclothone pygmaea

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 macronema

Maurolicus australis

Eustomias tomentosis


Lovely hatchetfish

Astronesthes karsteni

Astronesthes gudrunae

Alcock's boafish

Eustomias interruptus

Eustomias satterleei

Sonoda paucilampa

Manducus maderensis

Eustomias pinnatus

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 elongatus

Astronesthes dupliglandis


Astronesthes similus

Eustomias cryptobulbus

Eustomias pacificus

Sternoptyx pseudodiaphana

Leptostomias longibarba

Eustomias bertelseni



Aristostomias polydactylus

Astronesthes martensii

Photonectes leucospilus

Tentacle dragonfish

Eustomias bulbornatus

Scaleless dragonfish

Eustomias micropterygius

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

Pachystomias microdon

Maurolicus parvipinnis

Scaleless dragonfish

Maurolicus inventionis

Eustomias vitiazi

Bonapartia pedaliota

Photonectes achirus

Cyclothone parapallida


Bathophilus irregularis

Eustomias medusa

Half-naked hatchetfish

Astronesthes lampara

Argyripnus iridescens

Astronesthes indicus

Bathophilus brevis

Eustomias lanceolatus

Eustomias spherulifer

Deep-water bristlemouth

Araiophos eastropas

Astronesthes galapagensis

Polyipnus meteori

Odontostomias micropogon

Eustomias ignotus

Diplophos pacificus

Eustomias quadrifilis

Stomias lampropeltis

Black-belly dragonfish

Eustomias bimargaritatus

Thorophos euryops

Atlantic fangjaw

Eustomias digitatus

Slender fangjaw

Eustomias patulus

Astronesthes tatyanae

Astronesthes chrysophekadion


Eustomias monoclonus

Chauliodus schmidti

Sternoptyx obscura

Maurolicus walvisensis

Eustomias australensis

Photostomias atrox

Slim lightfish

Threelight dragonfish

Melanostomias stewarti

Eustomias contiguus

Aristostomias grimaldii


Melanostomias melanopogon

Eustomias brevibarbatus

Grammatostomias flagellibarba

Yarrella argenteola

Bathophilus pawneei

Eustomias metamelas

Pitgum lanternfish

Maurolicus mucronatus

Borostomias pacificus

Arrow dragonfish

Photonectes caerulescens

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.

Cyclothone obscura

Highfin dragonfish

Scaleless dragonfish

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.

Pacific hatchet fish

Astronesthes kreffti

Astronesthes haplophos

Eustomias schiffi

Benttooth bristlemouth

Valenciennellus carlsbergi

Bathophilus altipinnis

Eustomias ioani

Astronesthes exsul

Eustomias gibbsi

Margrethia valentinae

Eustomias posti

Stomias danae

Triplophos hemingi

Eustomias curtatus

Eustomias parini

Leptostomias multifilis

Eustomias bibulboides

Ichthyococcus parini

Astronesthes atlanticus

Astronesthes splendida



Slender snaggletooth

Maurolicus rudjakovi

Eustomias aequatorialis

Photonectes margarita

Melanostomias nigroaxialis

Eustomias cancriensis

Eustomias minimus

Chauliodus minimus

Bigeye lightfish

Bathophilus kingi

Eustomias melanostigmoides

Maurolicus javanicus

Borostomias elucens

Photonectes albipennis

Slender bristlemouth

Sladen's hatchet fish

Astronesthes leucopogon

Argyripnus pharos

Astronesthes indopacificus

Vinciguerria mabahiss - Vinciguerria mabahiss is a species of Vinciguerria.

Scaleless black dragonfish

Eustomias longiramis

Eustomias tetranema



Polyipnus soelae

Eustomias inconstans

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 paxtoni

Scaly dragonfish

Eustomias bimargaritoides

Thorophos nexilis

Elongated bristlemouth fish

Pacific blackdragon

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

Eustomias dispar

Astronesthes decoratus

Astronesthes trifibulatus

Astronesthes quasiindicus

Valdivia black dragon fish

Eustomias crossotus

Eustomias multifilis

Chauliodus vasnetzovi - Viperfish

Highlight hatchetfish

Scaleless dragonfish


Eustomias austratlanticus

Photostomias goodyeari

Bulldog lightfish

Aristostomias lunifer

Astronesthes macropogon

Melanostomias melanopogon

Eustomias bulbiramis

Bathophilus proximus

Eustomias micraster

Chauliodus dentatus

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

Yellow bristlemouth

Bathophilus indicus

Eustomias magnificus

Heterophotus ophistoma

Emperor seamount lightfish

Eustomias uniramis

Astronesthes lamellosus

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 illuminatus


Longfin dragonfish

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

Eustomias schmidti


Astronesthes formosana

Polyipnus inermis

Odontostomias masticopogon

Eustomias hulleyi

Diplophos australis

Eustomias problematicus

Stomias gracilis

Order Tetraodontiformes

Triacanthodes intermedius

Atrophacanthus japonicus

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.

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

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.

False boarfish

Allocyttus guineensis