Bathypelagic fish - Fish living in the bathypelagic environment

The bathyal zone or bathypelagic – from Greek βαθύς , deep – is the pelagic zone that extends from a depth of 1000 to 4000 meters below the ocean surface. It lies between the mesopelagic above, and the abyssopelagic below.

Order Anguilliformes

Duckbill oceanic eel

Labichthys carinatus

Serrivomer garmani

Leptocephalus bellottii

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

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

Labichthys yanoi

Crossthroat sawpalate

Leptocephalus congroides

Avocettina bowersii

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

Serrivomer schmidti

Nessorhamphus danae

Saurenchelys taiwanensis

Serrivomer danae

Nemichthys larseni

Acromycter longipectoralis

Benthenchelys pacificus

Black saw-toothed eel

Bean's sawtooth eel

Dogface witch-eel

Bathymyrus echinorhynchus

Avocettina paucipora

Order Ateleopodiformes

Parateleopus microstomus

Order Aulopiformes


Macroparalepis longilateralis

Sharpchin barracudina

Evermannella ahlstromi

Scopelosaurus craddocki

Japanese barracudina

Antarctic jonasfish

Scopelarchus stephensi

Lestidiops similis

Lestidiops indopacifica

Zugmayer's pearleye

Scopelarchoides danae

Macroparalepis danae

Coccorella atrata

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

Undistinguished sabretooth

Uncisudis posteropelvis

Stemonosudis siliquiventer

Stemonosudis gracilis

Lestidium bigelowi


Lestidiops pacificus

Scopelarchoides signifer



Magnisudis indica

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


Stemonosudis molesta

Evermannella megalops

Uncisudis advena

Scopelosaurus gibbsi

Stemonosudis bullisi

Naked barracuda

Ahliesaurus berryi



Longfin pearleye

Chubby pearleye

Scopelarchoides kreffti

White barracudina

Paralepis speciosa

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


Stemonosudis intermedia

Scopelosaurus adleri

Lestidium prolixum

Slender barracudina

Bigfin pearleye

Lestidiops extrema

Benthalbella elongata

Scopelarchoides climax


Atlantic sabretooth

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

Southern barracudina

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

Macroparalepis nigra

Stemonosudis rothschildi

Dolichosudis fuliginosa


Uncisudis longirostra

Scopelosaurus mauli

Ahliesaurus brevis

Stemonosudis elegans

Atlantic barracudina

Fierce pike smelt

Strange pike smelt

Benthalbella macropinna

Scopelarchoides nicholsi

Order Beryciformes

Slimy head

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 melanopterus

Hoplostethus druzhinini

Parin's spiny fin

Common roughy - The sandpaper fish or common roughy, Paratrachichthys trailli, is a slimehead belonging to the family Trachichthyidae, found in southern Australia and southern New Zealand at depths of between 50 and 400 m.

Hoplostethus shubnikovi

Hoplostethus mikhailini


Hoplostethus confinis

Paratrachichthys fernandezianus

Aulotrachichthys latus

Hoplostethus rifti

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.

Slimy head

Hoplostethus fedorovi

Parinoberyx horridus

Longwing spinyfin

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

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.

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.

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.

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

Australian reticulate swellshark - Once thought to be the same species as the reticulated swellshark of Vietnam and Hainan, the Australian reticulate swellshark was described as a separate species by William White and David Ebert in a 2008 Commonwealth Scientific and Industrial Research Organisation publication.

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.

Order Cetomimiformes

Vitiaziella cubiceps

Pink flabby whalefish


Savage's birdsnouted whalefish

Gyrinomimus bruuni

Parataeniophorus gulosus

Megalomycter teevani

Cetomimus teevani

Cetichthys parini

Gyrinomimus simplex

Ditropichthys storeri

Procetichthys kreffti

Ataxolepis apus

Cetomimus kerdops

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

Danacetichthys galathenus

Cetomimus gillii

Festive ribbonfish

Trunov southern cetomimid

Parataeniophorus brevis

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

Ataxolepis henactis

Cetomimus picklei

Cetichthys indagator

Gyrinomimus myersi

Order Chimaeriformes

Hydrolagus lusitanicus


Order Gadiformes

Grenadier fish

Myers' grenadier


Whitson's grenadier

Gadella edelmanni

Coryphaenoides grahami

Large-eye grenadier

Hymenocephalus antraeus

Roundhead grenadier

Kumba hebetata

Bristly grenadier

Physiculus therosideros

Coryphaenoides spinulosus

Bluntnose grenadier

Physiculus nigriscens

Smallhead moray cod

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

Bighead mora

Kumba musorstom

Carmine grenadier

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

Kumba calvifrons

Javelin fish - The thorntooth grenadier or javelin fish, Lepidorhynchus denticulatus , is a rattail, the only member of the genus Lepidorhynchus, found around southern Australia and New Zealand, at depths of between 200 and 1,000 m.

Shortbeard grenadier

Squalogadus modificatus

Sturgeon-like grenadier fish

Sphagemacrurus richardi

Coelorinchus trunovi

Kaiwi Channel grenadier

Guttigadus nudicephalus

Physiculus roseus

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

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.

Doublethread grenadier

Coryphaenoides macrolophus

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

Coryphaenoides camurus

Hymenocephalus aterrimus

Bathypelagic rattail

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

Tripterophycis svetovidovi

Patagonian codling

Finescale mora

Pugnose grenadier

Coelorinchus melanosagmatus

Coryphaenoides striaturus

Parin's grenadier

Physiculus parini

Dusky rattail

Gadomus multifilis

Rhynchogadus hepaticus

Coryphaenoides microps

Globehead grenadier

Hymenocephalus striatulus

Striped codlet

Kumba punctulata

Macrouroides inflaticeps

Gadella brocca


Fragile grenadier

Narrowsnout grenadier

Kumba gymnorhynchus

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

Slendertail grenadier

Coelorinchus vityazae

Trachonurus sentipellis

Physiculus sazonovi

Coryphaenoides semiscaber

Blunt-nosed grenadier

Physiculus longifilis

Muraenolepis andriashevi

Gadomus capensis

Coryphaenoides mcmillani

Laemonema melanurum

Ventrifossa paxtoni

Naked snout rattail

Bighead grenadier

Hymenocephalus barbatulus

Dogtooth grenadier

Berry's grenadier

Kumba maculisquama

Sphagemacrurus pumiliceps

Coelorinchus nazcaensis

Bluntsnout grenadier

Physiculus peregrinus

Order Lampriformes

Taper-tail ribbonfish

Regalecus russelii

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

Sticklebacks - It is found in deep subtropical and tropical waters around the world, living at depths during the day and making nightly vertical migrations to feed on plankton.

Scalloped ribbon fish - The scalloped ribbonfish, Zu cristatus, is a ribbonfish of the family Trachipteridae found circumglobally in all oceans, at depths down to 90 m.

Unicorn crestfish - The unicorn crestfish or unicornfish, Eumecichthys fiski, is a very rare, little-known species of crestfish in the family Lophotidae, and the only member of its genus.

Crested oarfish


Southern ribbonfish

Order Lophiiformes

Bulbous dreamer

Himantolophus mauli

Oneirodes micronema

Linophryne escaramosa

Phyllorhinichthys balushkini - P.

Bufoceratias thele

Linophryne bipennata

Danaphryne nigrifilis

Short-rod anglerfish

Oneirodes alius

Himantolophus crinitus

Oneirodes kreffti

Dolopichthys karsteni

Himantolophus azurlucens

Oneirodes dicromischus

Melanocetus eustalus

Linophryne andersoni

Gigantactis microphthalmus

Tyrannophryne pugnax - The most distinctive feature of T.

Torpedo batfish

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

Linophryne quinqueramosa

Caulophryne polynema

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

Oneirodes rosenblatti

Gigantactis golovani

Linophryne macrodon

Oneirodes cristatus

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

Chaenophryne ramifera

Himantolophus nigricornis

Diceratias trilobus

Smooth anglerfish

Himantolophus macroceras

Oneirodes macrosteus

Rhynchactis microthrix

Linophryne densiramus

Oneirodes basili

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

Himantolophus compressus

Oneirodes haplonema

Dolopichthys dinema

Melanocetus rossi

Linophryne argyresca

Cosmopolitan whipnose

Gigantactis meadi

Lophodolos indicus

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

Acentrophryne longidens

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.

Pacific footballfish

Oneirodes posti

Gigantactis gargantua

Triplewart seadevil

Linophryne pennibarbata

Caulophryne pelagica

Linophryne indica

Phyllorhinichthys micractis - P.

Bufoceratias wedli

Bulbous dreamer

Smooth dreamer

Himantolophus melanolophus

Oneirodes mirus

Robia legula

Dolopichthys pullatus

Rhynchactis leptonema

Linophryne brevibarbata

Oneirodes anisacanthus

Himantolophus danae

Oneirodes luetkeni

Himantolophus borealis

Nightmare dreamer

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 paxtoni

Oneirodes thysanema

Gigantactis longicirra

Gigantactis gracilicauda

Linophryne racemifera

Pietschichthys horridus

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

Himantolophus paucifilosus

Oneirodes pietschi

Gigantactis balushkini

Linophryne maderensis

Himantolophus macroceratoides

Oneirodes melanocauda

Chirophryne xenolophus

Linophryne digitopogon

Bufoceratias shaoi

Oneirodes bradburyae

Haplophryne triregium

Linophryne bicornis

Gigantactis watermani

Himantolophus cornifer

Oneirodes heteronema

Dolopichthys jubatus

Plainchin dreamarm

Linophryne algibarbata

Gigantactis microdontis

Stargazing seadevil

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

Oneirodes theodoritissieri

Gigantactis kreffti

Oneirodes pterurus

Gigantactis gibbsi

Ctenochirichthys longimanus

Linophryne polypogon

Caulophryne pietschi

Linophryne lucifer

Oneirodes clarkei

Himantolophus albinares

Smooth dreamer

Himantolophus multifurcatus

Two-rod anglerfish

Oneirodes myrionemus

Atlantic footballfish

Oneirodes macronema

Rhynchactis macrothrix

Linophryne coronata

Oneirodes appendixus

Himantolophus brevirostris

Oneirodes flagellifer

Puck pinnata

Murray's abyssal anglerfish

Linophryne arcturi

Gigantactis savagei

Whalehead dreamer

Oneirodes whitleyi

Gigantactis macronema

Photocorynus spiniceps - The known mature male individuals are 6.

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

Acentrophryne dolichonema

Linophryne sexfilis

Himantolophus pseudalbinares

Oneirodes plagionema

Gigantactis elsmani

Linophryne parini

Order Myctophiformes

Lampadena dea

Diaphus pallidus

Slimtail lampfish

Diaphus umbroculus

Broadfin lampfish

Gonichthys venetus

Andersen's lantern fish

Spothead lantern fish

Lampanyctus hubbsi

Diaphus subtilis


Nannobrachium indicum

Garnet lanternfish

Mirror lanterfish


Protomyctophum bolini

Nannobrachium cuprarium

Taaningichthys paurolychnus


Horned lanternfish

Diaphus lobatus

Spiny lantern fish


Evermann's lantern fish

Popeye lampfish

Doflein's false headlightfish

Diaphus garmani

Gymnoscopelus fraseri

Diaphus dehaveni

Lantern fish

Spinycheek lanternfish

Electrona antarctica

Diaphus basileusi

Lampadena pontifex

Arctic telescope

Bolin's lantern fish

Longfin lampfish


Diaphus thiollierei

Nannobrachium phyllisae

Neoscopelus microchir


Gilbert's large lantern fish

Diaphus nielseni

Metelectrona ahlstromi

Mead's lanternfish

Spinytail lampfish

Diaphus similis

Protomyctophum gemmatum


Reinhardt's lantern fish



Diaphus jenseni

Nannobrachium bristori

Spotted laternfish

Benoit's lanternfish

Parvilux boschmai

Highseas lampfish


Diaphus faustinoi

Myctophum indicum

Lampanyctus vadulus

Chubby flashlightfish

Golden-nosed lantern fish

Diaphus antonbruuni


Diaphus parri


Diaphus whitleyi

Nannobrachium wisneri


Blue lanternfish

Diaphus minax

Lampanyctus iselinoides

Diaphus taaningi

Protomyctophum parallelum

Lampadena urophaos atlantica

Diaphus richardsoni

Protomyctophum chilense

Nannobrachium fernae

Laura's lantern fish

Warming's lantern fish - Warming's lantern fish, Ceratoscopelus warmingii, is a lanternfish of the family Myctophidae, found circumglobally in both hemispheres, at depths of between 700 and 1,500 m during the day and between 20 and 200 m at night.

Diaphus longleyi

Cocco's lantern fish

Diaphus handi

Lantern fish


Symbolophorus rufinus

Bolinichthys nikolayi

Skinnycheek lanternfish

Gymnoscopelus hintonoides

Pig-headed lantern fish

Pacific blackchin

Diaphus drachmanni


Golden lanternfish

Lampanyctus tenuiformis

Longfin lanternfish

Electron subantarctic


Rakery beaconlamp

Diaphus trachops

Pinpoint lampfish

Slendertail lanternfish

Diaphus aliciae


Diaphus ostenfeldi

Metelectrona ventralis

Diaphus megalops



Protomyctophum luciferum

Nannobrachium idostigma

Smallfin lanternfish

Nannobrachium crypticum


Taaningichthys minimus

Japanese lanternfish

Diaphus kuroshio

Wisner's lantern fish

Hygophum bruuni

Barnards lanternfishes - Symbolophorus barnardi is a lanternfish in the family Myctophidae, found circumglobally in the southern hemisphere between about 30° S and 11° S at depths of between 100 and 800 m.


Triphoturus oculeum

Gymnoscopelus opisthopterus

Fragile lantern fish

Myctophum lychnobium

Hintonia candens



Gymnoscopelus braueri

Diaphus dahlgreni

Diaphus arabicus


Protomyctophum andriashevi

Transparent lantern fish

Lampanyctus simulator

Brokenline lanternfish

Taaning's lantern fish

Bigeye lanternfish

Black lantern fish

Large-scaled lantern fish

Tarletonbeania taylori

Gonichthys barnesi


Lampadena yaquinae

Diaphus roei


Nannobrachium gibbsi

Diaphus lucidus

Topside lampfish

Krefftichthys anderssoni

Hudson's lanternfish



Lantern fish


Myctophum orientale

Thickhead lanternfish

Smallfin lanternfish

Gymnoscopelus microlampas

Diaphus ehrhorni

Myctophum fissunovi

Lampanyctus turneri

Electrona paucirastra - Electrona paucirastra is a lanternfish in the family Myctophidae, found around the globe in the southern hemisphere between 35° S and 48° S.

Short-headed lantern fish

Order Notacanthiformes

Halosaurus sinensis

Aldrovandia oleosa

Longnose tapirfish


Notacanthus indicus

Aldrovandia rostrata

Halosaurus attenuatus

Halosaurus parvipennis

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

Polyacanthonotus africanus

Halosaurus carinicauda

Bonapart's spiny eel

Order Ophidiiformes

Pelagic brotula

Brotulotaenia brevicauda

Parabrotula tanseimaru

Barathronus parfaiti

Barathronus bicolor

Aphyonus bolini

Lamprogrammus niger

Brotulotaenia nigra

Alcockia rostrata

Barathronus multidens

Marshall slopebrotula

Apagesoma edentatum

Gunther's cuskeel

Violet cuskeel

Barathronus unicolor

Barathronus bruuni

Bony-eared assfish

Aphyonus brevidorsalis

Thalassobathia nelsoni

Bassozetus zenkevitchi

Parabrotula plagiophthalmus

Barathronus pacificus

Barathrites parri

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

Brotulotaenia nielseni

Barathronus diaphanus

Two-spined slopebrotula

Leucobrotula adipata

Apagesoma delosommatus

Nielsen's catetyx

Order Osmeriformes

Krefft's smooth-head

Bruce's argentine

Bathytroctes zugmayeri

Abyssal smooth-head

Threadfin smooth-head

Leptoderma lubricum

Koefoed's smooth-head

Bluntsnout smooth-head - The bluntsnout smooth-head, black slickhead, cope's bluntsnout smooth-head, or Atlantic gymnast, Xenodermichthys copei, is a slickhead of the genus Xenodermichthys, found in the Atlantic, Indian, and Pacific oceans, and the Tasman Sea, at depths of 100 to 2,600 m.

Dolichopteryx rostrata

Mentodus perforatus

Streaklight tubeshoulder

Dolichopteryx anascopa

Bathylagus tenuis

Murray's smooth-head

Blackhead salmon

Rouleina watasei

Mentodus crassus

Brown slickhead

Multipore searsid

Matsuichthys aequipinnis

Bighead searsid

Ghost smelt

Conocara bertelseni

Nansenia megalopa

Rouleina guentheri

Nansenia antarctica


Bathytroctes pappenheimi

Schnakenbeck's searsid

Searsioides multispinus

Barbantus elongatus

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

Hairfin smooth-head

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

Mentodus longirostris

Fanfin smooth-head

Dolichopteryx minuscula

Mirrorbelly - The 'mirrorbelly' or 'barreleye' is a barreleye of the genus Opisthoproctus, is found in most deep tropical and subtropical oceans and seas, from depths of 200 to 2,000 m.

Fangtooth smooth-head

Maulisia isaacsi

Holtbyrnia intermedia

Pacific black smelt

Longfin smooth-head

Narcetes erimelas

Binghamichthys aphos

Rouleina nuda

Bajacalifornia microstoma

Legless searsid

Bathylagus andriashevi

Robust blacksmelt

Nansenia iberica

Rouleina eucla

Bajacalifornia aequatoris

Winteria telescopa

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

Toothless smooth-head

Leptoderma retropinna

Michael Sars smooth-head

Pygmy argentine

Shining tubeshoulder

Koefoed's searsid

Dolichopteryx trunovi

Bathytroctes breviceps

Mentodus eubranchus

Asquamiceps caeruleus

Holtbyrnia ophiocephala

Dolichopteryx binocularis

Snubnose blacksmelt

Salmon smooth-head

Nansenia sanrikuensis

Rouleina livida

Bajacalifornia erimoensis

Normichthys yahganorum

Maulisia acuticeps

Holtbyrnia conocephala

Bathylagus niger

Fiolenti's smooth-head

Bathylagichthys longipinnis

Bluethroat argentine

Bathytroctes squamosus

Starry smooth-head

Deep-sea smelt

Threadfin slickhead

Leptoderma affinis

Bathytroctes macrognathus

Winged spookfish


Mentodus mesalirus

Smallscale searsid

Holtbyrnia laticauda

Longsnout blacksmelt

California smoothtongue

Elongate smooth-head

Narcetes lloydi

Pectinantus parini

Bluntsnout slickhead

Mentodus bythios

Eared blacksmelt

Leaf searsid

Bathylagus borealis

Nansenia longicauda

Rouleina euryops

Bajacalifornia arcylepis

Normichthys herringi

Nansenia ahlstromi

Loosescale smooth-head

Bathylaco nielseni

Smallscale smooth-head

Sagamichthys gracilis

Norman's smooth-head

Searsioides calvala

Agassiz' smooth-head

Bathytroctes elegans

Antillean smooth-head

Palebelly searsid

Mentodus facilis

Asquamiceps hjorti

Dolichopteryx brachyrhynchus

Werner's smooth-head

Palegold searsid

Teardrop tubeshoulder

Blackchin blacksmelt

Conocara kreffti

Nansenia tenuicauda

Madeiran smooth-head

Bigeye smooth-head

Bathylagoides argyrogaster

Greenland argentine

Softskin smooth-head

Order Perciformes

Stout slipskin

Malakichthys levis

Melanostigma orientale

New Zealand ruffe

Lycodapus derjugini

Bathyclupea gracilis

Seleniolycus robertsi


Pseudoscopelus scutatus

Eumegistus brevorti

Pseudoscopelus microps

Aethotaxis mitopteryx pawsoni

Kali normani

Plectranthias pallidus

Kali colubrina

Pseudoscopelus aphos

Ericandersonia sagamia - Ericandersonia sagamia is a newly-described eelpout of the family Zoarcidae, found in Sagami Bay, Japan, at depths of between 880 and 930 m.

Longfin fathead

Rosenblattia robusta - Rosenblattia robusta is a species of deepwater cardinalfish, the only member of the genus Rosenblattia, found around the world in southern temperate waters.

Caristius groenlandicus

Seleniolycus pectoralis

Bathyclupea megaceps

Black swallower

Paracaristius maderensis

Atrobucca geniae

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.

Pale eelpout

Lycenchelys imamurai

Bothrocara nyx

Pseudoscopelus pierbartus

Pseudoscopelus cephalus

Kali macrodon

Sherborn's cardinalfish

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.

African barrelfish

Stubraker sculpin

Malakichthys mochizuki

Cocoa snapper

Atlantic soft pout

Silver splitfin

Deepwater slipskin

Bathyclupea hoskynii

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

Kali parri

Plectranthias parini

Pseudoscopelus obtusifrons


Kali falx


Pseudoscopelus astronesthidens

Blue driftfish

Tonga escolar

Bigmouth veilfin

Malakichthys barbatus

Trewavas croaker

Melanostigma inexpectatum

Lycodapus microchir


Bathyclupea argentea

Pseudoscopelus sagamianus

Tasmanian ruffe

Pseudoscopelus lavenbergi

Kali macrura


Barracuda cardinalfish

Pseudoscopelus altipinnis

Howella zina

Melanostigma vitiazi

Seleniolycus laevifasciatus

Malakichthys similis

Deepsea herring

Dysalotus oligoscolus

Paracaristius heemstrai

Melanostigma bathium

Bigtooth eelpout

Pachycara dolichaulus

Plectranthias robertsi

Pseudoscopelus parini

Thinlip splitfin

Pseudoscopelus bothrorrhinos

Kali indica

Platyberyx opalescens

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

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

Monognathus berteli

Saccopharynx trilobatus

Monognathus ozawai

Monognathus herringi

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

Saccopharynx hjorti

Monognathus bruuni

Monognathus smithi

Monognathus jesse

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

Saccopharynx ramosus


Monognathus bertini

Monognathus rajui

Monognathus isaacsi

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 taningi

Saccopharynx thalassa

Monognathus nigeli

Saccopharynx harrisoni

Monognathus boehlkei

Monognathus rosenblatti

Monognathus jesperseni

Saccopharynx paucovertebratis

Saccopharynx berteli

Order Scorpaeniformes

Blackmouth rockfish

Multipore dwarf snailfish

Edentoliparis terraenovae

Paraliparis carlbondi

Icelus mandibularis

Acantholiparis caecus

Stein's dwarf snailfish

Gelatinous dwarf snailfish

Marvelous dwarf snailfish

Genioliparis ferox

Paraliparis skeliphrus

Notoliparis antonbruuni

Smalleye dwarf snailfish

Midwater scorpionfish

Deepwater rockfish - S.

Squaloliparis dentatus

Genioliparis kafanovi

Careproctus marginatus

Sargasso dwarf snailfish

Tadpole liparid

Short-headed sculpin

Order Squaliformes

Knifetooth dogfish - The knifetooth dogfish, Scymnodon ringens, is a harmless sleeper shark of the family Dalatiidae, found in the eastern Atlantic, from Scotland to Spain, Portugal, and Senegal, and the southwest Pacific from New Zealand, between latitudes 58°N and 15°N, at depths of between 200 and 1,600 m.

Lantern sharks - Japanese ichthyologists Shigeru Shirai and Hiroyuki Tachikawa described the blurred lanternshark in a 1993 article in the scientific journal Copeia, as part of a taxonomic revision of the Etmopterus pusillus species group.

Rasptooth dogfish - The rasptooth dogfish, Miroscyllium sheikoi, is a dogfish, the only species in the genus Miroscyllium, found on the Kyushu-Palau Ridge in the northwest Pacific Ocean at depths of 360 m.

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

Etmopterus pseudosqualiolus - The false lanternshark, Etmopterus pseudosqualiolus, is a shark of the family Dalatiidae found in the western Pacific from the Norfolk Ridge and Lord Howe Ridge off New Caledonia.

Etmopterus dianthus - Reproduction is ovoviviparous.

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

Lantern sharks - Reproduction is ovoviviparous.

Cylindrical lantern shark - Reproduction is presumed to be ovoviviparous.

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

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

Etmopterus dislineatus - Reproduction is ovoviviparous.

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.

Japanese velvet dogfish - The Japanese velvet dogfish, Zameus ichiharai, is a harmless deepwater sleeper shark of the family Dalatiidae, found in the northwest Pacific from Suruga Bay and adjacent waters of Japan at depths of between 500 and 800 m.

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

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

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

Etmopterus caudistigmus - Reproduction is ovoviviparous.

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

Order Stephanoberyciformes

Poromitra unicornis



Melamphaes pumilus


Highsnout bigscale

Melamphaes hubbsi


Malacosarcus macrostoma



Scopelogadus unispinis

Little bigscale


Melamphaes leprus

Abyssoberyx levisquamosus

Melamphaes ebelingi

Large-headed midnight fish

Scopelogadus beanii


Melamphaes macrocephalus

Melamphaes indicus

Slender bigscale

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


Melamphaes polylepis

Longjaw bigscale


Melamphaes eulepis


Poromitra gibbsi

Twospine bigscale

Melamphaes spinifer

Melamphaes parini

Scopeloberyx microlepis

Melamphaes laeviceps

Order Stomiiformes

Highfin dragonfish

Scaleless dragonfish

Ebeling's fangjaw

Eustomias parri

Scaleless dragonfish

Astronesthes haplophos

Leptostomias robustus


Ichthyococcus polli

Eustomias bifilis

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

Eustomias albibulbus

Photonectes parvimanus

Bathophilus altipinnis

Valenciennellus carlsbergi

Eustomias ioani

Eustomias monoclonoides

Chauliodus pammelas

Astronesthes exsul

Maurolicus stehmanni

Eustomias mesostenus

Scaleless dragonfish

Astronesthes atlanticus

Maurolicus kornilovorum

Opostomias micripnus

Astronesthes splendida

Scaleless dragonfish

Borostomias mononema

Cyclothone pygmaea

Eustomias gibbsi


Maurolicus australis

Eustomias tomentosis



Triplophos hemingi

Eustomias curtatus

Melanostomias nigroaxialis

Eustomias cancriensis

Sladen's hatchet fish

Eustomias satterleei

Astronesthes leucopogon

Alcock's boafish

Astronesthes indopacificus

Shortbarbel dragonfish

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.

Thysanactis dentex

Eustomias bituberoides

Gonostoma longipinnis

Bathophilus kingi

Bigeye lightfish

Eustomias melanostigmoides

Argyripnus pharos

Manducus maderensis

Sonoda paucilampa

Eustomias pinnatus

Eustomias pacificus


Leptostomias longibarba

Sternoptyx pseudodiaphana


Eustomias bertelseni


Scaleless black dragonfish

Vinciguerria mabahiss - Vinciguerria mabahiss is a species of Vinciguerria.

Eustomias longiramis

Eustomias inconstans

Polyipnus soelae

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

Maurolicus parvipinnis

Scaleless dragonfish

Pachystomias microdon

Astronesthes trifibulatus

Photonectes leucospilus

Astronesthes quasiindicus

Photonectes achirus

Bonapartia pedaliota

Cyclothone parapallida

Eustomias dispar

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

Maurolicus inventionis

Eustomias vitiazi

Aristostomias lunifer

Eustomias spherulifer

Astronesthes macropogon

Deep-water bristlemouth

Valdivia black dragon fish

Eustomias crossotus

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

Melanostomias melanopogon

Eustomias bulbiramis

Thorophos euryops

Eustomias bimargaritatus

Atlantic fangjaw

Bathophilus indicus

Eustomias magnificus

Heterophotus ophistoma

Slender fangjaw

Eustomias patulus

Astronesthes illuminatus

Black-belly dragonfish

Astronesthes formosana

Maurolicus walvisensis

Sternoptyx obscura

Slim lightfish

Eustomias australensis

Photostomias atrox

Longfin dragonfish


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

Eustomias monoclonus

Chauliodus schmidti

Yarrella argenteola

Eustomias metamelas

Bathophilus pawneei

Astronesthes bilobatus

Maurolicus mucronatus

Pitgum lanternfish

Astronesthes tanibe

Arrow dragonfish

Photonectes caerulescens

Borostomias pacificus

Odontostomias masticopogon

Eustomias hulleyi

Polyipnus inermis

Eustomias curtifilis

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.


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

Pacific astronesthid fish

Benttooth bristlemouth

Melanostomias pollicifer

Eustomias cirritus

Eustomias schiffi

Lovely hatchetfish

Margrethia valentinae

Eustomias posti

Astronesthes karsteni

Stomias danae

Melanostomias globulifer

Eustomias braueri

Torpedo dragonfish

Eustomias parini

Astronesthes gudrunae

Leptostomias multifilis

Ichthyococcus parini

Eustomias bibulboides


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


Eustomias aequatorialis

Photonectes margarita

Eustomias interruptus

Eustomias minimus

Chauliodus minimus

Astronesthes dupliglandis

Maurolicus rudjakovi

Slender snaggletooth

Maurolicus javanicus

Astronesthes similus

Photonectes albipennis

Borostomias elucens

Slender bristlemouth

Eustomias elongatus

Aristostomias polydactylus

Eustomias tetranema

Astronesthes martensii


Eustomias cryptobulbus

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

Tentacle dragonfish

Eustomias bulbornatus

Astronesthes indicus

Scaly dragonfish

Pacific blackdragon

Thorophos nexilis

Eustomias bimargaritoides

Elongated bristlemouth fish

Bathophilus irregularis


Eustomias medusa

Argyripnus iridescens

Eustomias paxtoni

Araiophos eastropas

Eustomias multifilis

Chauliodus vasnetzovi - Viperfish

Astronesthes galapagensis


Scaleless dragonfish

Highlight hatchetfish

Bulldog lightfish

Eustomias austratlanticus

Photostomias goodyeari

Bathophilus brevis

Eustomias lanceolatus

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

Photonectes gracilis

Panama snaggletooth

Odontostomias micropogon

Eustomias ignotus

Polyipnus meteori

Eustomias digitatus

Emperor seamount lightfish

Eustomias uniramis


Yellow bristlemouth

Aristostomias grimaldii

Eustomias schmidti



Melanostomias stewarti

Threelight dragonfish

Eustomias contiguus

Pacific hatchet fish

Diplophos australis

Eustomias problematicus

Astronesthes kreffti

Stomias gracilis

Melanostomias melanopogon

Eustomias brevibarbatus

Grammatostomias flagellibarba

Order Tetraodontiformes

Atrophacanthus japonicus

Triacanthodes intermedius

Sharpfin sunfish - The sharptail mola, Masturus lanceolatus, is a species of mola found circumglobally in tropical and temperate waters.

Order Zeiformes

Allocyttus guineensis

Elongate dory - The elongate dory, Zenion leptolepis, is a dory, in the genus Zenion, found around South Africa, southern Australia, and New Zealand at depths of between 350 and 700 m.


Rosy dory

Neocyttus acanthorhynchus

Stethopristes eos

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

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