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

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

Avocettina bowersii

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

Acromycter longipectoralis

Labichthys carinatus

Serrivomer schmidti

Saurenchelys taiwanensis

Nessorhamphus danae

Serrivomer danae

Avocettina acuticeps

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


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

White barracudina

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

Lestidiops indopacifica

Zugmayer's pearleye

Scopelarchoides danae

Scopelosaurus adleri

Bigfin pearleye

Stemonosudis siliquiventer

Stemonosudis gracilis


Ahliesaurus berryi

Lestidium bigelowi



Scopelosaurus mauli

Uncisudis longirostra

Lestidiops pacificus



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

Magnisudis indica

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

Scopelarchoides nicholsi


Evermannella megalops

Stemonosudis molesta

Naked barracuda

Stemonosudis bullisi


Scopelosaurus craddocki


Chubby pearleye

Longfin pearleye

Antarctic jonasfish

Paralepis speciosa

Scopelarchus stephensi

Macroparalepis danae

Stemonosudis intermedia

Ahliesaurus brevis

Lestidium prolixum

Uncisudis posteropelvis

Undistinguished sabretooth

Slender barracudina

Atlantic sabretooth

Lestidiops extrema

Benthalbella elongata

Scopelarchoides climax

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

Southern barracudina

Scopelarchoides signifer

Macroparalepis nigra

Dolichosudis fuliginosa

Stemonosudis rothschildi

Stemonosudis elegans

Atlantic barracudina

Fierce pike smelt

Scopelosaurus gibbsi

Uncisudis advena

Strange pike smelt

Benthalbella macropinna

Order Beryciformes

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 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.

Parin's spiny fin

Hoplostethus shubnikovi

Hoplostethus mikhailini


Aulotrachichthys prosthemius

Hoplostethus confinis

Paratrachichthys fernandezianus

Hoplostethus rifti

Slimy head

Hoplostethus fedorovi

Longwing spinyfin

Parinoberyx horridus

Hoplostethus tenebricus

Atlantic roughy

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 marisrubri

Hoplostethus crassispinus

Paratrachichthys sajademalensis

Hoplostethus rubellopterus

Hoplostethus metallicus

Hoplostethus fragilis

Aulotrachichthys latus

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.

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

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

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

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.

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.

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.

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.

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

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

Pink flabby whalefish

Vitiaziella cubiceps


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

Fragile grenadier

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

Finescale mora

Threadfin grenadier

Echinomacrurus mollis

Mediterranean grenadier

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

Physiculus sazonovi

Trachonurus sentipellis

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

Laemonema melanurum

Ventrifossa paxtoni

Naked snout rattail

Squalogadus modificatus

Kumba maculisquama

Berry's grenadier

Sturgeon-like grenadier fish

Sphagemacrurus richardi

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

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

Bathygadus spongiceps

Doublethread grenadier

Coryphaenoides macrolophus

Physiculus peregrinus

Bluntsnout grenadier

Coryphaenoides camurus

Hymenocephalus aterrimus

Patagonian codling

Kumba hebetata

Roundhead grenadier

Pugnose grenadier

Coelorinchus melanosagmatus

Coryphaenoides striaturus

Dusky rattail

Gadomus multifilis

Rhynchogadus hepaticus

Coryphaenoides microps

Gadella brocca


Striped codlet

Hymenocephalus striatulus

Physiculus therosideros

Bristly grenadier

Macrouroides inflaticeps

Narrowsnout grenadier

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

Bighead mora

Kumba musorstom

Slendertail grenadier

Coelorinchus vityazae

Muraenolepis andriashevi

Coryphaenoides semiscaber

Blunt-nosed grenadier

Physiculus longifilis

Kumba calvifrons

Gadomus capensis

Coryphaenoides mcmillani

Physiculus roseus

Guttigadus nudicephalus

Kaiwi Channel grenadier

Bighead grenadier

Dogtooth grenadier

Hymenocephalus barbatulus

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

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

Bathypelagic rattail

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

Linophryne escaramosa

Bufoceratias thele

Phyllorhinichthys balushkini - P.

Himantolophus mauli

Oneirodes micronema

Dolopichthys karsteni

Linophryne bipennata

Danaphryne nigrifilis

Linophryne racemifera

Pietschichthys horridus

Himantolophus crinitus

Oneirodes kreffti

Linophryne maderensis

Himantolophus azurlucens

Oneirodes dicromischus

Linophryne andersoni

Gigantactis microphthalmus

Melanocetus eustalus

Haplophryne triregium

Oneirodes bradburyae

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

Acentrophryne longidens

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

Himantolophus nigricornis

Smooth anglerfish

Linophryne macrodon

Stargazing seadevil

Himantolophus macroceras

Oneirodes macrosteus

Rhynchactis microthrix

Linophryne densiramus

Linophryne argyresca

Cosmopolitan whipnose

Melanocetus rossi

Linophryne polypogon

Caulophryne pietschi

Himantolophus compressus

Oneirodes haplonema

Dolopichthys dinema

Gigantactis meadi

Smooth dreamer

Himantolophus albinares

Oneirodes clarkei

Oneirodes appendixus

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

Pacific footballfish

Oneirodes posti

Gigantactis gargantua

Triplewart seadevil

Robia legula

Linophryne indica

Bufoceratias wedli

Phyllorhinichthys micractis - P.

Whalehead dreamer

Himantolophus melanolophus

Oneirodes mirus

Himantolophus danae

Oneirodes luetkeni

Dolopichthys pullatus

Rhynchactis leptonema

Linophryne brevibarbata

Linophryne sexfilis

Linophryne parini

Himantolophus borealis

Nightmare dreamer

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 .

Gigantactis longicirra

Bulbous dreamer

Oneirodes thysanema

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

Short-rod anglerfish

Oneirodes alius

Tyrannophryne pugnax - The most distinctive feature of T.

Torpedo batfish

Himantolophus paucifilosus

Oneirodes pietschi

Gigantactis balushkini

Chirophryne xenolophus

Himantolophus macroceratoides

Oneirodes melanocauda

Linophryne digitopogon

Bufoceratias shaoi

Dolopichthys jubatus

Linophryne bicornis

Gigantactis watermani

Linophryne quinqueramosa

Caulophryne polynema

Himantolophus cornifer

Oneirodes heteronema

Chaenophryne ramifera

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

Oneirodes cristatus

Plainchin dreamarm

Linophryne algibarbata

Gigantactis microdontis

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

Oneirodes basili

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

Acentrophryne dolichonema

Oneirodes pterurus

Gigantactis gibbsi

Ctenochirichthys longimanus

Two-rod anglerfish

Himantolophus multifurcatus

Oneirodes myrionemus

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.

Atlantic footballfish

Oneirodes macronema

Rhynchactis macrothrix

Linophryne coronata

Linophryne pennibarbata

Caulophryne pelagica

Himantolophus brevirostris

Oneirodes flagellifer

Puck pinnata

Linophryne arcturi

Gigantactis savagei

Murray's abyssal anglerfish

Gigantactis macronema

Photocorynus spiniceps - The known mature male individuals are 6.

Smooth dreamer

Bulbous dreamer

Oneirodes whitleyi

Oneirodes anisacanthus

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

Gigantactis herwigi

Himantolophus pseudalbinares

Oneirodes plagionema

Gigantactis elsmani

Order Myctophiformes

Gonichthys venetus

Andersen's lantern fish

Diaphus handi

Cocco's lantern fish

Slimtail lampfish

Diaphus umbroculus

Broadfin lampfish

Garnet lanternfish

Nannobrachium indicum

Diaphus drachmanni

Pacific blackchin

Pig-headed lantern fish

Gymnoscopelus hintonoides

Lampanyctus hubbsi

Diaphus subtilis



Mirror lanterfish


Protomyctophum bolini

Nannobrachium cuprarium

Taaningichthys paurolychnus


Diaphus ostenfeldi

Spiny lantern fish

Evermann's lantern fish

Popeye lampfish


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

Spinytail lampfish

Diaphus similis

Protomyctophum gemmatum


Nannobrachium bristori


Reinhardt's lantern fish


Transparent lantern fish

Protomyctophum andriashevi


Spotted laternfish

Benoit's lanternfish

Parvilux boschmai

Diaphus lucidus

Lampanyctus vadulus

Myctophum indicum

Chubby flashlightfish

Nannobrachium wisneri

Diaphus antonbruuni

Krefftichthys anderssoni

Hudson's lanternfish

Topside lampfish


Diaphus whitleyi

Lampanyctus iselinoides

Diaphus taaningi

Protomyctophum parallelum


Blue lanternfish

Diaphus ehrhorni

Gymnoscopelus microlampas

Short-headed lantern fish

Lampadena urophaos atlantica

Diaphus richardsoni

Protomyctophum chilense

Nannobrachium fernae

Symbolophorus rufinus

Bolinichthys nikolayi


Lampadena dea

Diaphus pallidus

Lantern fish


Skinnycheek lanternfish

Spothead lantern fish

Diaphus lobatus


Horned lanternfish

Lampanyctus tenuiformis

Longfin lanternfish

Golden lanternfish

Electron subantarctic

Diaphus garmani

Doflein's false headlightfish

Rakery beaconlamp

Diaphus trachops

Pinpoint lampfish

Slendertail lanternfish

Diaphus aliciae

Smallfin lanternfish

Nannobrachium idostigma

Diaphus dehaveni

Gymnoscopelus fraseri



Protomyctophum luciferum

Lampadena pontifex

Bolin's lantern fish

Arctic telescope

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


Brokenline lanternfish

Taaning's lantern fish

Bigeye lanternfish

Black lantern fish

Gonichthys barnesi

Tarletonbeania taylori

Large-scaled lantern fish

Golden-nosed lantern fish

Lampadena yaquinae

Diaphus roei


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.

Lampanyctus turneri

Myctophum fissunovi

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 rostrata

Halosaurus carinicauda

Bonapart's spiny eel

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

Halosaurus sinensis

Longnose tapirfish


Notacanthus indicus

Aldrovandia oleosa

Halosaurus attenuatus

Order Ophidiiformes

Pelagic brotula

Barathronus bruuni

Parabrotula tanseimaru

Brotulotaenia brevicauda

Alcockia rostrata

Aphyonus brevidorsalis

Bassozetus zenkevitchi

Lamprogrammus niger

Barathronus pacificus

Barathrites parri

Brotulotaenia nigra

Bony-eared assfish

Two-spined slopebrotula

Barathronus diaphanus

Violet cuskeel

Nielsen's catetyx

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

Apagesoma delosommatus

Barathronus parfaiti

Barathronus bicolor

Thalassobathia nelsoni

Parabrotula plagiophthalmus

Aphyonus bolini

Marshall slopebrotula

Barathronus multidens

Brotulotaenia nielseni

Leucobrotula adipata

Gunther's cuskeel

Apagesoma edentatum

Barathronus unicolor

Order Osmeriformes

Asquamiceps caeruleus

Mentodus eubranchus

Abyssal smooth-head

Bathytroctes zugmayeri

Leptoderma lubricum

Koefoed's smooth-head

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

Murray's smooth-head

Bathylagus tenuis

Streaklight tubeshoulder

Rouleina watasei

Blackhead salmon

Rouleina guentheri

Nansenia megalopa

Matsuichthys aequipinnis

Conocara bertelseni

Ghost smelt

Bighead searsid


Nansenia antarctica

Mentodus mesalirus

Eared blacksmelt

Leaf searsid

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.

Vaillant's smooth-head

Bathytroctes inspector

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

Maulisia isaacsi

Longfin smooth-head

Pacific black smelt

Holtbyrnia intermedia

Rouleina nuda

Narcetes erimelas

Binghamichthys aphos

Palebelly searsid

Robust blacksmelt

Bathylagus andriashevi

Rouleina eucla

Nansenia iberica

Toothless smooth-head

Asquamiceps hjorti

Mentodus facilis

Leptoderma retropinna

Michael Sars smooth-head

Pygmy argentine

Shining tubeshoulder

Bigeye smooth-head

Bruce's argentine

Dolichopteryx trunovi

Bathytroctes breviceps

Krefft's smooth-head

Dolichopteryx binocularis

Salmon smooth-head

Snubnose blacksmelt

Holtbyrnia ophiocephala

Maulisia acuticeps

Fiolenti's smooth-head

Bathylagus niger

Holtbyrnia conocephala

Rouleina livida

Nansenia sanrikuensis

Mentodus perforatus

Bathylagichthys longipinnis

Bluethroat argentine

Mentodus crassus

Bathytroctes squamosus

Starry smooth-head

Leptoderma affinis

Bathytroctes macrognathus

Deep-sea smelt

Threadfin slickhead

Brown slickhead

Multipore searsid

Winged spookfish


Searsioides multispinus

Longsnout blacksmelt

Smallscale searsid

Elongate smooth-head

California smoothtongue

Holtbyrnia laticauda

Bluntsnout slickhead

Narcetes lloydi

Pectinantus parini

Barbantus elongatus

Bathylagus borealis

Rouleina euryops

Nansenia longicauda

Bathylaco nielseni

Loosescale smooth-head

Nansenia ahlstromi

Fanfin smooth-head

Mentodus longirostris

Legless searsid

Bajacalifornia microstoma

Smallscale smooth-head

Sagamichthys gracilis

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

Bajacalifornia aequatoris

Agassiz' smooth-head

Bathytroctes elegans

Antillean smooth-head

Winteria telescopa

Dolichopteryx brachyrhynchus

Werner's smooth-head

Koefoed's searsid

Palegold searsid

Conocara kreffti

Blackchin blacksmelt

Teardrop tubeshoulder

Madeiran smooth-head

Nansenia tenuicauda

Bathylagoides argyrogaster

Softskin smooth-head

Greenland argentine

Order Perciformes

Melanostigma orientale

New Zealand ruffe

Kali parri

Plectranthias parini

Malakichthys levis

Kali falx


Bathyclupea gracilis

Bigmouth veilfin

Tonga escolar

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

Black swallower

Bathyclupea megaceps

Paracaristius maderensis

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.

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.

Bothrocara nyx

Pseudoscopelus pierbartus

Seleniolycus laevifasciatus

Bigtooth eelpout

Pseudoscopelus cephalus


Sherborn's cardinalfish

Midwater eelpout

African barrelfish

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

Kali indica

Platyberyx opalescens

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

Kali normani

Plectranthias pallidus

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

Aethotaxis mitopteryx pawsoni

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

Genioliparis ferox

Paraliparis skeliphrus

Marvelous dwarf snailfish

Blackmouth rockfish

Smalleye dwarf snailfish

Midwater scorpionfish

Squaloliparis dentatus

Sargasso dwarf snailfish

Genioliparis kafanovi

Careproctus marginatus

Tadpole liparid

Acantholiparis caecus

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

Abyssoberyx levisquamosus

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

Ebeling's fangjaw


Scaleless dragonfish

Leptostomias robustus


Maurolicus stehmanni

Eustomias albibulbus

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

Photonectes parvimanus

Eustomias cirritus

Melanostomias pollicifer

Eustomias monoclonoides

Pacific astronesthid fish

Chauliodus pammelas

Eustomias braueri

Lovely hatchetfish

Melanostomias globulifer

Torpedo dragonfish

Eustomias mesostenus

Astronesthes karsteni

Scaleless dragonfish

Maurolicus kornilovorum

Opostomias micripnus

Cyclothone pygmaea

Borostomias mononema

Scaleless dragonfish

Eustomias macronema

Astronesthes gudrunae

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


Alcock's boafish

Eustomias interruptus

Astronesthes dupliglandis

Eustomias satterleei


Eustomias pinnatus

Manducus maderensis

Sonoda paucilampa

Astronesthes similus

Shortbarbel dragonfish

Gonostoma longipinnis

Eustomias bituberoides

Scaleless dragonfish

Thysanactis dentex

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

Aristostomias polydactylus

Eustomias pacificus

Astronesthes martensii

Leptostomias longibarba

Sternoptyx pseudodiaphana

Eustomias bertelseni



Argyripnus iridescens

Photonectes leucospilus

Eustomias bulbornatus

Half-naked hatchetfish

Tentacle dragonfish

Eustomias micropterygius

Astronesthes lampara

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

Scaleless dragonfish

Scaleless dragonfish

Maurolicus parvipinnis

Pachystomias microdon

Eustomias vitiazi

Maurolicus inventionis

Cyclothone parapallida

Bonapartia pedaliota

Photonectes achirus

Eustomias medusa

Astronesthes indicus


Bathophilus irregularis

Araiophos eastropas

Eustomias lanceolatus

Astronesthes galapagensis

Bathophilus brevis

Eustomias spherulifer

Deep-water bristlemouth

Eustomias ignotus

Polyipnus meteori

Astronesthes chrysophekadion

Odontostomias micropogon

Eustomias quadrifilis

Diplophos pacificus

Astronesthes tatyanae

Stomias lampropeltis

Black-belly dragonfish

Atlantic fangjaw

Eustomias bimargaritatus

Thorophos euryops

Eustomias digitatus

Eustomias patulus

Slender fangjaw


Eustomias monoclonus


Chauliodus schmidti

Maurolicus walvisensis

Sternoptyx obscura

Eustomias australensis

Slim lightfish

Photostomias atrox

Eustomias contiguus

Aristostomias grimaldii

Threelight dragonfish

Melanostomias stewarti

Eustomias brevibarbatus

Pacific hatchet fish

Melanostomias melanopogon

Grammatostomias flagellibarba

Eustomias metamelas

Astronesthes kreffti

Yarrella argenteola

Bathophilus pawneei

Maurolicus mucronatus

Pitgum lanternfish

Arrow dragonfish

Borostomias pacificus

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

Astronesthes haplophos

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

Benttooth bristlemouth

Eustomias ioani

Astronesthes exsul

Valenciennellus carlsbergi

Bathophilus altipinnis

Eustomias gibbsi

Astronesthes atlanticus

Eustomias posti

Margrethia valentinae

Astronesthes splendida

Stomias danae

Eustomias curtatus


Triplophos hemingi

Eustomias parini


Leptostomias multifilis

Eustomias bibulboides

Ichthyococcus parini

Argyripnus pharos

Maurolicus rudjakovi

Slender snaggletooth

Eustomias aequatorialis

Photonectes margarita

Eustomias cancriensis

Sladen's hatchet fish

Melanostomias nigroaxialis

Eustomias minimus

Astronesthes leucopogon

Chauliodus minimus

Eustomias melanostigmoides

Astronesthes indopacificus

Bigeye lightfish

Bathophilus kingi

Maurolicus javanicus

Slender bristlemouth

Borostomias elucens

Photonectes albipennis

Eustomias longiramis


Vinciguerria mabahiss - Vinciguerria mabahiss is a species of Vinciguerria.

Scaleless black dragonfish

Eustomias tetranema


Eustomias inconstans

Polyipnus soelae

Astronesthes decoratus

Eustomias radicifilis

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

Astronesthes trifibulatus

Scaly dragonfish

Eustomias paxtoni

Astronesthes quasiindicus

Scaly dragonfish

Elongated bristlemouth fish

Eustomias bimargaritoides

Thorophos nexilis

Pacific blackdragon

Eustomias dispar

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

Eustomias crossotus

Aristostomias lunifer

Valdivia black dragon fish

Eustomias multifilis

Astronesthes macropogon

Chauliodus vasnetzovi - Viperfish

Scaleless dragonfish


Highlight hatchetfish

Eustomias austratlanticus

Bulldog lightfish

Photostomias goodyeari

Eustomias bulbiramis

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.

Melanostomias melanopogon

Eustomias micraster

Astronesthes lamellosus

Chauliodus dentatus

Bathophilus proximus

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

Eustomias magnificus

Astronesthes illuminatus

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.

Astronesthes formosana


Longfin dragonfish

Eustomias schmidti


Eustomias hulleyi

Polyipnus inermis

Astronesthes bilobatus

Odontostomias masticopogon

Eustomias problematicus

Diplophos australis

Astronesthes tanibe

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

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

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.

Neocyttus acanthorhynchus

Stethopristes eos

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

Allocyttus guineensis

False boarfish