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

Serrivomer garmani

Avocettina paucipora

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

Leptocephalus bellottii

Saurenchelys taiwanensis

Nessorhamphus danae

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

Nemichthys larseni

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.

Avocettina acuticeps

Benthenchelys pacificus

Black sawtooth eel

Acromycter longipectoralis

Chlopsis longidens

Crossthroat sawpalate

Bathymyrus echinorhynchus

Leptocephalus congroides

Duckbill oceanic eel

Labichthys carinatus

Serrivomer schmidti

Serrivomer danae

Avocettina bowersii

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

Black saw-toothed eel

Benthenchelys indicus

Bean's sawtooth eel

Dogface witch-eel

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

Labichthys yanoi

Order Ateleopodiformes

Parateleopus microstomus

Order Aulopiformes

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

Naked barracuda

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



Longfin pearleye

Chubby pearleye

Ahliesaurus berryi

Scopelarchoides kreffti

Macroparalepis longilateralis

Evermannella ahlstromi

Sharpchin barracudina


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

Scopelosaurus adleri

Coccorella atrata

Lestidiops indopacifica

Lestidium prolixum

Stemonosudis siliquiventer

Slender barracudina

Bigfin pearleye


Stemonosudis gracilis

Scopelarchoides climax

Benthalbella elongata


Uncisudis longirostra

Scopelosaurus mauli


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

Magnisudis indica

Atlantic barracudina

Fierce pike smelt

Strange pike smelt

Benthalbella macropinna

Ahliesaurus brevis

Scopelarchoides nicholsi


Evermannella megalops

Stemonosudis molesta

Stemonosudis bullisi


Scopelosaurus craddocki

Japanese barracudina

Antarctic jonasfish

Paralepis speciosa

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

Lestidiops similis

Scopelarchus stephensi

Scopelarchoides danae

Macroparalepis danae

Stemonosudis intermedia

White barracudina

Zugmayer's pearleye

Uncisudis posteropelvis

Undistinguished sabretooth

Atlantic sabretooth

Lestidiops extrema

Lestidium bigelowi


Southern barracudina

Lestidiops pacificus

Scopelarchoides signifer

Macroparalepis nigra

Dolichosudis fuliginosa

Stemonosudis rothschildi

Stemonosudis elegans


Uncisudis advena

Scopelosaurus gibbsi

Order Beryciformes

Slimy head

Hoplostethus melanopterus

Parinoberyx horridus

Hoplostethus tenebricus

Hoplostethus druzhinini

Parin's spiny fin

Hoplostethus shubnikovi

Hoplostethus mikhailini

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 confinis

Hoplostethus rifti

Slimy head

Parmops echinatus

Aulotrachichthys latus

Paratrachichthys argyrophanus

Hoplostethus fedorovi

Longwing spinyfin

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.

Atlantic roughy

Hoplostethus marisrubri

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 crassispinus

Hoplostethus rubellopterus

Hoplostethus metallicus

Aulotrachichthys prosthemius

Paratrachichthys fernandezianus

Hoplostethus fragilis

Hoplostethus abramovi

Diretmoides veriginae

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.

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.

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.

Apristurus internatus - Reproduction is oviparous.

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

Spatulasnout cat shark - The spatulasnout cat shark, Apristurus platyrhynchus, is a cat shark of the family Scyliorhinidae found in the western Pacific between latitudes 35° N and 1° N.

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

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

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

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

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.

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

Order Cetomimiformes

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

Savage's birdsnouted whalefish

Danacetichthys galathenus

Cetomimus gillii

Parataeniophorus gulosus

Trunov southern cetomimid

Megalomycter teevani

Cetomimus picklei

Ditropichthys storeri

Cetichthys indagator

Gyrinomimus myersi

Ataxolepis apus

Pink flabby whalefish

Vitiaziella cubiceps


Gyrinomimus bruuni

Festive ribbonfish

Cetomimus teevani

Cetichthys parini

Gyrinomimus simplex

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

Parataeniophorus brevis

Ataxolepis henactis

Procetichthys kreffti

Cetomimus kerdops

Order Chimaeriformes


Hydrolagus lusitanicus

Order Gadiformes

Myers' grenadier

Tripterophycis svetovidovi

Whitson's grenadier

Gadella edelmanni

Coryphaenoides grahami

Coryphaenoides striaturus

Physiculus parini

Parin's grenadier

Large-eye grenadier

Globehead grenadier

Striped codlet

Hymenocephalus striatulus

Kumba punctulata

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

Kumba gymnorhynchus

Smallhead moray cod

Coryphaenoides spinulosus

Dusky rattail

Fragile grenadier

Threadfin grenadier

Mediterranean grenadier

Echinomacrurus mollis

Carmine grenadier

Trachonurus sentipellis

Physiculus sazonovi

Shortbeard grenadier

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

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

Physiculus longifilis

Blunt-nosed grenadier

Naked snout rattail

Ventrifossa paxtoni

Laemonema melanurum

Squalogadus modificatus

Dogtooth grenadier

Hymenocephalus barbatulus

Berry's grenadier

Kumba maculisquama

Sturgeon-like grenadier fish

Coelorinchus trunovi

Sphagemacrurus richardi

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

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

Physiculus peregrinus

Bluntsnout grenadier

Coryphaenoides camurus

Patagonian codling


Grenadier fish

Hymenocephalus antraeus

Roundhead grenadier

Kumba hebetata

Coelorinchus melanosagmatus

Pugnose grenadier

Gadomus multifilis

Coryphaenoides microps

Rhynchogadus hepaticus

Macrouroides inflaticeps

Gadella brocca


Bristly grenadier

Physiculus therosideros

Physiculus nigriscens

Bluntnose grenadier

Narrowsnout grenadier

Bighead mora

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

Kumba musorstom

Slendertail grenadier

Coelorinchus vityazae

Kumba calvifrons

Muraenolepis andriashevi

Coryphaenoides semiscaber

Finescale mora

Gadomus capensis

Coryphaenoides mcmillani

Guttigadus nudicephalus

Physiculus roseus

Kaiwi Channel grenadier

Bighead grenadier

Nezumia cyrano

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

Bathygadus spongiceps

Hymenocephalus aterrimus

Bathypelagic rattail

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

Coelorinchus nazcaensis

Sphagemacrurus pumiliceps

Order Lampriformes

Taper-tail ribbonfish

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

Crested oarfish

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.

Regalecus russelii


Southern ribbonfish

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

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

Order Lophiiformes

Gigantactis longicirra

Himantolophus mauli

Oneirodes micronema

Himantolophus crinitus

Oneirodes kreffti

Dolopichthys karsteni

Gigantactis gracilicauda

Linophryne racemifera

Pietschichthys horridus

Gigantactis balushkini

Linophryne maderensis

Himantolophus azurlucens

Oneirodes dicromischus

Linophryne digitopogon

Bufoceratias shaoi

Haplophryne triregium

Oneirodes bradburyae

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.

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

Oneirodes rosenblatti

Linophryne bicornis

Gigantactis watermani

Stargazing seadevil

Himantolophus nigricornis

Diceratias trilobus

Smooth anglerfish

Linophryne algibarbata

Gigantactis microdontis

Gigantactis kreffti

Himantolophus macroceras

Oneirodes macrosteus

Rhynchactis microthrix

Dolopichthys dinema

Gigantactis gibbsi

Ctenochirichthys longimanus

Linophryne polypogon

Caulophryne pietschi

Himantolophus compressus

Oneirodes haplonema

Himantolophus albinares

Smooth dreamer

Oneirodes clarkei

Linophryne lucifer

Linophryne coronata

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.

Linophryne arcturi

Gigantactis savagei

Murray's abyssal anglerfish

Pacific footballfish

Oneirodes posti

Himantolophus melanolophus

Oneirodes mirus

Robia legula

Gigantactis macronema

Photocorynus spiniceps - The known mature male individuals are 6.

Whalehead dreamer

Linophryne sexfilis

Himantolophus danae

Oneirodes luetkeni

Dolopichthys pullatus

Rhynchactis leptonema

Gigantactis herwigi

Gigantactis elsmani

Linophryne parini

Himantolophus borealis

Nightmare dreamer

Oneirodes thysanema

Linophryne escaramosa

Bufoceratias thele

Phyllorhinichthys balushkini - P.

Bulbous dreamer

Acentrophryne dolichonema

Short-rod anglerfish

Oneirodes alius

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.

Linophryne bipennata

Danaphryne nigrifilis

Linophryne andersoni

Gigantactis microphthalmus

Melanocetus eustalus

Torpedo batfish

Tyrannophryne pugnax - The most distinctive feature of T.

Himantolophus paucifilosus

Oneirodes pietschi

Gigantactis longicauda

Pentherichthys venustus

Himantolophus macroceratoides

Chirophryne xenolophus

Oneirodes melanocauda

Himantolophus cornifer

Oneirodes heteronema

Dolopichthys jubatus

Gigantactis golovani

Linophryne quinqueramosa

Caulophryne polynema

Linophryne macrodon

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

Oneirodes cristatus

Plainchin dreamarm

Linophryne densiramus

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

Oneirodes basili

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.

Linophryne argyresca

Cosmopolitan whipnose

Melanocetus rossi

Oneirodes pterurus

Lophodolos indicus

Himantolophus multifurcatus

Two-rod anglerfish

Oneirodes myrionemus

Gigantactis meadi

Gigantactis ios

Linophryne trewavasae

Horned lantern fish - The horned lantern fish occurs in the Pacific Ocean from Baja California south to the Marquesas Islands and the Gulf of California.

Atlantic footballfish

Oneirodes macronema

Rhynchactis macrothrix

Gigantactis gargantua

Triplewart seadevil

Linophryne pennibarbata

Caulophryne pelagica

Himantolophus brevirostris

Oneirodes flagellifer

Puck pinnata

Oneirodes whitleyi

Linophryne indica

Bufoceratias wedli

Phyllorhinichthys micractis - P.

Smooth dreamer

Bulbous dreamer

Acentrophryne longidens

Linophryne brevibarbata

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.

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 .

Himantolophus pseudalbinares

Oneirodes plagionema

Order Myctophiformes

Broadfin lampfish

Bolinichthys nikolayi

Symbolophorus rufinus


Cocco's lantern fish

Diaphus handi

Diaphus umbroculus

Slimtail lampfish

Diaphus subtilis


Lampanyctus hubbsi

Garnet lanternfish

Nannobrachium indicum

Skinnycheek lanternfish

Gymnoscopelus hintonoides

Pig-headed lantern fish

Diaphus drachmanni

Pacific blackchin

Electron subantarctic



Protomyctophum bolini

Mirror lanterfish

Nannobrachium cuprarium

Slendertail lanternfish

Diaphus aliciae

Diaphus ostenfeldi


Spiny lantern fish

Lantern fish

Diaphus megalops

Metelectrona ventralis

Diaphus kuroshio

Japanese lanternfish

Longfin lampfish

Electrona antarctica

Taaningichthys minimus



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

Gymnoscopelus opisthopterus

Fragile lantern fish

Triphoturus oculeum

Diaphus thiollierei


Nannobrachium phyllisae



Gymnoscopelus braueri

Diaphus dahlgreni

Diaphus similis

Protomyctophum gemmatum

Spinytail lampfish

Transparent lantern fish

Protomyctophum andriashevi


Nannobrachium bristori

Diaphus arabicus

Gonichthys barnesi

Tarletonbeania taylori

Large-scaled lantern fish


Spotted laternfish

Diaphus lucidus

Myctophum indicum

Lampanyctus vadulus

Diaphus whitleyi


Nannobrachium wisneri


Lantern fish

Hudson's lanternfish

Topside lampfish

Krefftichthys anderssoni

Gymnoscopelus microlampas

Diaphus ehrhorni

Diaphus taaningi

Protomyctophum parallelum

Lampanyctus iselinoides


Smallfin lanternfish

Thickhead lanternfish

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

Diaphus richardsoni

Protomyctophum chilense

Lampadena urophaos atlantica

Nannobrachium fernae

Lantern fish

Gonichthys venetus

Andersen's lantern fish

Diaphus pallidus

Lampadena dea

Spothead lantern fish


Taaningichthys paurolychnus


Horned lanternfish

Diaphus lobatus

Longfin lanternfish

Golden lanternfish

Lampanyctus tenuiformis

Popeye lampfish

Evermann's lantern fish


Doflein's false headlightfish

Diaphus garmani

Diaphus trachops

Rakery beaconlamp

Pinpoint lampfish


Protomyctophum luciferum


Smallfin lanternfish

Nannobrachium idostigma

Spinycheek lanternfish

Gymnoscopelus fraseri

Diaphus dehaveni

Diaphus basileusi

Bolin's lantern fish

Arctic telescope

Lampadena pontifex

Nannobrachium crypticum


Gilbert's large lantern fish

Neoscopelus microchir

Diaphus nielseni

Wisner's lantern fish

Mead's lanternfish

Metelectrona ahlstromi

Hintonia candens

Myctophum lychnobium


Diaphus jenseni


Lampanyctus simulator


Reinhardt's lantern fish

Parvilux boschmai

Benoit's lanternfish


Diaphus faustinoi

Highseas lampfish

Taaning's lantern fish

Bigeye lanternfish

Brokenline lanternfish

Black lantern fish

Chubby flashlightfish

Golden-nosed lantern fish

Diaphus roei


Lampadena yaquinae

Nannobrachium gibbsi



Diaphus antonbruuni

Diaphus parri


Blue lanternfish

Diaphus minax

Myctophum orientale

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

Myctophum fissunovi

Lampanyctus turneri

Order Notacanthiformes

Aldrovandia rostrata

Halosaurus parvipennis

Polyacanthonotus africanus

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

Halosaurus carinicauda

Bonapart's spiny eel

Halosaurus sinensis

Longnose tapirfish

Aldrovandia oleosa


Notacanthus indicus

Halosaurus attenuatus

Order Ophidiiformes

Parabrotula tanseimaru

Thalassobathia nelsoni

Bony-eared assfish

Lamprogrammus niger

Barathronus parfaiti

Barathronus bicolor

Apagesoma delosommatus

Brotulotaenia nielseni

Barathronus multidens

Aphyonus bolini

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

Leucobrotula adipata

Two-spined slopebrotula

Nielsen's catetyx

Pelagic brotula

Barathronus unicolor

Brotulotaenia brevicauda

Barathronus bruuni

Apagesoma edentatum

Parabrotula plagiophthalmus

Bassozetus zenkevitchi

Brotulotaenia nigra

Barathronus pacificus

Aphyonus brevidorsalis

Marshall slopebrotula

Barathrites parri

Alcockia rostrata

Gunther's cuskeel

Violet cuskeel

Barathronus diaphanus

Order Osmeriformes

Abyssal smooth-head

Bigeye smooth-head

Asquamiceps caeruleus

Michael Sars smooth-head

Mentodus eubranchus

Leptoderma lubricum

Rouleina livida

Nansenia sanrikuensis

Bathytroctes breviceps

Normichthys yahganorum

Snubnose blacksmelt

Bruce's argentine

Bluethroat argentine

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

Dolichopteryx rostrata

Bathylagus niger

Starry smooth-head

Streaklight tubeshoulder

Murray's smooth-head

Dolichopteryx anascopa

Matsuichthys aequipinnis

Bighead searsid

Conocara bertelseni

Bathylagichthys longipinnis

Threadfin slickhead

Deep-sea smelt

Bathytroctes squamosus

Mentodus mesalirus

Nansenia antarctica

Pectinantus parini

Bluntsnout slickhead

Narcetes lloydi

Bathytroctes macrognathus

Eared blacksmelt

Leaf searsid

Mentodus bythios

Brown slickhead

Vaillant's smooth-head

Rouleina euryops

Nansenia longicauda

Normichthys herringi

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

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.

California smoothtongue

Bathylagus borealis

Sagamichthys gracilis

Searsioides calvala

Norman's smooth-head

Maulisia isaacsi

Holtbyrnia intermedia

Longfin smooth-head

Barbantus elongatus

Bathylaco nielseni

Antillean smooth-head

Robust blacksmelt

Toothless smooth-head

Bajacalifornia microstoma

Asquamiceps hjorti

Smallscale smooth-head

Mentodus facilis

Bathytroctes elegans

Leptoderma retropinna

Bajacalifornia aequatoris

Madeiran smooth-head

Nansenia tenuicauda

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

Softskin smooth-head

Greenland argentine

Dolichopteryx trunovi

Holtbyrnia ophiocephala

Salmon smooth-head

Dolichopteryx binocularis

Blackchin blacksmelt

Krefft's smooth-head

Maulisia acuticeps

Holtbyrnia conocephala

Fiolenti's smooth-head

Bathylagoides argyrogaster

Threadfin smooth-head

Bathytroctes zugmayeri

Mentodus perforatus

Bajacalifornia erimoensis

Rouleina watasei

Blackhead salmon

Koefoed's smooth-head

Mentodus crassus

Leptoderma affinis

Rouleina guentheri

Nansenia megalopa

Multipore searsid

Winged spookfish


Bathylagus tenuis

Ghost smelt

Schnakenbeck's searsid

Searsioides multispinus

Smallscale searsid

Holtbyrnia laticauda

Elongate smooth-head

Longsnout blacksmelt


Hairfin smooth-head

Mentodus longirostris

Loosescale smooth-head

Nansenia ahlstromi

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

Fanfin smooth-head

Bathytroctes pappenheimi

Binghamichthys aphos

Rouleina nuda

Narcetes erimelas

Bathytroctes inspector

Legless searsid

Bajacalifornia arcylepis

Fangtooth smooth-head

Rouleina eucla

Nansenia iberica

Agassiz' smooth-head

Werner's smooth-head

Dolichopteryx brachyrhynchus

Pacific black smelt

Winteria telescopa

Pygmy argentine

Shining tubeshoulder

Koefoed's searsid

Palegold searsid

Teardrop tubeshoulder

Conocara kreffti

Palebelly searsid

Bathylagus andriashevi

Order Perciformes

Bathyclupea hoskynii


Plectranthias parini

Kali parri

Malakichthys levis


Kali falx

Bigmouth veilfin

Tonga escolar


Seleniolycus robertsi

Pseudoscopelus scutatus

Melanostigma inexpectatum

Lycodapus microchir

Pseudoscopelus microps

Pseudoscopelus aphos


Tasmanian ruffe

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.

Bathyclupea argentea

Kali macrura

Black swallower

Paracaristius maderensis

Howella zina

Seleniolycus laevifasciatus

Pseudoscopelus pierbartus

Atrobucca geniae

Melanostigma vitiazi

Melanostigma bathium

Bigtooth eelpout

Pseudoscopelus cephalus

Malakichthys mochizuki

Deepsea herring

Thinlip splitfin

Plectranthias robertsi

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

Platyberyx opalescens

Kali indica

Cocoa snapper

Howella parini


White warehou - The white warehou, Seriolella caerulea, is a medusafish of the family Centrolophidae found in the southern Pacific and southern Atlantic oceans, at depths of between 500 and 800 m.

Pseudoscopelus stellatus

Pseudoscopelus obtusifrons

New Zealand ruffe

Melanostigma orientale

Stout slipskin

Lycodapus derjugini

Pseudoscopelus astronesthidens

Eumegistus brevorti

Blue driftfish

Bathyclupea gracilis

Plectranthias pallidus

Kali normani

Malakichthys barbatus

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

Kali colubrina

Caristius groenlandicus

Seleniolycus pectoralis

Pseudoscopelus sagamianus

Trewavas croaker

Aethotaxis mitopteryx pawsoni

Squaretail - The smalleye squaretail, Tetragonurus cuvieri, is a squaretail of the genus Tetragonurus found in all tropical and temperate oceans of the world, at depths up to 800 m.

Limp eelpout - The limp eelpout, Melanostigma gelatinosum, is an eelpout, of the genus Melanostigma, found in all oceans at depths of between 50 and 2,500 m.

Pale eelpout

Pseudoscopelus lavenbergi

Bothrocara nyx

Lycenchelys imamurai

Pseudoscopelus altipinnis

Barracuda cardinalfish

Malakichthys similis

Bathyclupea megaceps

Kali macrodon

Dysalotus oligoscolus

Paracaristius heemstrai

Sherborn's cardinalfish

Pachycara dolichaulus

Pseudoscopelus parini

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.

Stubraker sculpin

Atlantic soft pout

Silver splitfin

Deepwater slipskin

Pseudoscopelus bothrorrhinos


Brilliant pomfret

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.

Order Pleuronectiformes

Smallmouth moonflounder

Bathysolea lactea

Deepwater sole

Order Polymixiiformes

Japanese beardfish

Order Saccopharyngiformes

Gulper eel

Monognathus ozawai

Monognathus herringi

Saccopharynx thalassa

Saccopharynx harrisoni

Monognathus smithi

Monognathus jesse

Monognathus boehlkei

Saccopharynx paucovertebratis

Saccopharynx berteli

Monognathus rajui

Monognathus isaacsi

Monognathus berteli

Saccopharynx trilobatus

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 taningi

Monognathus nigeli

Monognathus bruuni

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

Saccopharynx ramosus


Monognathus rosenblatti

Monognathus jesperseni

Monognathus bertini

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

Saccopharynx lavenbergi

Order Scorpaeniformes

Edentoliparis terraenovae

Paraliparis carlbondi

Notoliparis antonbruuni

Multipore dwarf snailfish

Deepwater rockfish - S.

Stein's dwarf snailfish

Gelatinous dwarf snailfish

Careproctus marginatus

Marvelous dwarf snailfish

Genioliparis ferox

Paraliparis skeliphrus

Tadpole liparid

Short-headed sculpin

Blackmouth rockfish

Icelus mandibularis

Smalleye dwarf snailfish

Midwater scorpionfish

Squaloliparis dentatus

Acantholiparis caecus

Sargasso dwarf snailfish

Genioliparis kafanovi

Order Squaliformes

Lantern sharks - Reproduction is ovoviviparous.

Cylindrical lantern shark - Reproduction is presumed to be ovoviviparous.

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

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

Etmopterus dislineatus - Reproduction is ovoviviparous.

Granular dogfish - The granular dogfish has no anal fin, two dorsal spines with the second one much larger than the first, a large second dorsal fin, a long abdomen, small pectoral and pelvic fins, a large eye, prominent nostrils and spiracles, and brownish-black coloration.

Largetooth cookie-cutter shark - The largetooth cookiecutter shark was originally described by New Zealand ichthyologist Jack Garrick and American shark expert Stewart Springer, in a 1964 issue of the scientific journal Copeia.

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

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

Etmopterus caudistigmus - Reproduction is ovoviviparous.

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

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

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

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

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

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

Etmopterus dianthus - Reproduction is ovoviviparous.

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

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

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

Order Stephanoberyciformes



Scopelogadus beanii

Melamphaes macrocephalus

Melamphaes indicus

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

Melamphaes hubbsi



Melamphaes polylepis

Longjaw bigscale

Malacosarcus macrostoma


Poromitra gibbsi

Melamphaes ebelingi

Melamphaes spinifer

Twospine bigscale

Scopeloberyx microlepis

Melamphaes parini

Melamphaes laeviceps

Poromitra unicornis


Melamphaes pumilus


Slender bigscale

Highsnout bigscale


Scopelogadus unispinis


Melamphaes eulepis


Little bigscale


Melamphaes leprus

Large-headed midnight fish

Abyssoberyx levisquamosus

Order Stomiiformes



Leptostomias robustus

Cyclothone obscura

Hatchetfish - Phosichthys argenteus, a lightfish and the only member of the genus Phosichthys, is found in deep subtropical waters of all oceans, from depths of 500 to 2,000 m.

Eustomias curtifilis

Eustomias parri

Scaleless dragonfish

Ebeling's fangjaw

Eustomias monoclonoides

Chauliodus pammelas

Astronesthes kreffti

Maurolicus stehmanni

Bathophilus pawneei

Benttooth bristlemouth

Eustomias cirritus

Melanostomias pollicifer

Highfin dragonfish

Stomias danae

Lovely hatchetfish

Eustomias braueri

Torpedo dragonfish

Melanostomias globulifer

Eustomias mesostenus

Maurolicus kornilovorum

Opostomias micripnus

Bathophilus altipinnis

Eustomias bibulboides

Astronesthes gudrunae

Ichthyococcus parini

Eustomias macronema

Oceanic lightfish - The oceanic lightfish, Vinciguerria nimbaria, a lightfish of the genus Vinciguerria, is found in all deep tropical and subtropical oceans and seas, from depths of 20 to 5,000 m.

Maurolicus australis

Eustomias tomentosis

Eustomias satterleei

Astronesthes splendida

Eustomias aequatorialis

Astronesthes dupliglandis

Photonectes margarita

Eustomias interruptus

Eustomias elongatus

Manducus maderensis

Eustomias pinnatus

Sonoda paucilampa


Shortbarbel dragonfish

Borostomias elucens

Slender bristlemouth

Photonectes albipennis


Aristostomias polydactylus

Eustomias cryptobulbus

Eustomias pacificus

Astronesthes leucopogon

Sternoptyx pseudodiaphana

Leptostomias longibarba

Bathophilus kingi

Argyripnus pharos

Maurolicus parvipinnis

Scaleless dragonfish

Pachystomias microdon

Scaly dragonfish

Half-naked hatchetfish

Eustomias bulbornatus

Tentacle dragonfish

Eustomias micropterygius

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

Eustomias medusa


Maurolicus inventionis

Eustomias vitiazi

Scaleless black dragonfish

Eustomias bimargaritoides

Elongated bristlemouth fish

Thorophos nexilis

Astronesthes indicus

Pacific blackdragon

Eustomias austratlanticus

Astronesthes galapagensis

Photostomias goodyeari

Bulldog lightfish

Eustomias lanceolatus

Eustomias spherulifer

Astronesthes trifibulatus

Astronesthes quasiindicus

Panama snaggletooth

Astronesthes chrysophekadion

Photonectes gracilis

Eustomias ignotus

Polyipnus meteori

Odontostomias micropogon

Eustomias quadrifilis

Diplophos pacificus

Eustomias patulus

Slender fangjaw

Astronesthes macropogon

Black-belly dragonfish

Yellow bristlemouth

Eustomias digitatus

Eustomias contiguus

Threelight dragonfish

Melanostomias stewarti

Eustomias monoclonus

Chauliodus schmidti

Astronesthes lamellosus

Maurolicus walvisensis

Sternoptyx obscura

Bathophilus proximus


Aristostomias grimaldii

Bathophilus indicus

Stomias gracilis

Pacific hatchet fish

Eustomias brevibarbatus

Grammatostomias flagellibarba

Melanostomias melanopogon

Eustomias metamelas

Yarrella argenteola

Maurolicus mucronatus

Pitgum lanternfish

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.

Longfin dragonfish

Eustomias bifilis

Astronesthes haplophos

Ichthyococcus polli

Scaleless dragonfish

Eustomias ioani

Valenciennellus carlsbergi

Eustomias schiffi

Astronesthes tanibe

Eustomias albibulbus

Astronesthes exsul

Photonectes parvimanus

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


Borostomias mononema

Cyclothone pygmaea

Astronesthes atlanticus

Scaleless dragonfish

Eustomias gibbsi

Margrethia valentinae

Eustomias posti



Eustomias curtatus

Triplophos hemingi

Eustomias parini

Pacific astronesthid fish

Leptostomias multifilis

Eustomias minimus

Chauliodus minimus

Astronesthes karsteni

Maurolicus rudjakovi

Slender snaggletooth

Scaleless dragonfish

Alcock's boafish

Sladen's hatchet fish

Eustomias cancriensis

Melanostomias nigroaxialis

Eustomias bituberoides

Gonostoma longipinnis

Thysanactis dentex

Astronesthes indopacificus

Scaleless dragonfish

Black dragonfish - Idiacanthus atlanticus is a barbeled dragonfish of the family Stomiidae, found circumglobally in southern subtropical and temperate oceans between latitudes 25°S and 60°S, at depths down to 2,000 m.

Eustomias melanostigmoides

Bigeye lightfish

Maurolicus javanicus


Eustomias bertelseni




Eustomias longiramis

Vinciguerria mabahiss - Vinciguerria mabahiss is a species of Vinciguerria.

Eustomias tetranema


Astronesthes similus

Astronesthes decoratus

Photonectes leucospilus

Eustomias inconstans

Polyipnus soelae

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.

Eustomias dispar

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

Eustomias paxtoni

Astronesthes martensii

Scaly dragonfish

Bonapartia pedaliota

Cyclothone parapallida

Photonectes achirus

Deep-water bristlemouth

Aristostomias lunifer

Eustomias crossotus

Valdivia black dragon fish

Eustomias multifilis

Chauliodus vasnetzovi - Viperfish

Astronesthes lampara


Highlight hatchetfish

Scaleless dragonfish

Scaleless dragonfish

Bathophilus irregularis

Argyripnus iridescens

Stomias lampropeltis

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.

Eustomias bulbiramis

Melanostomias melanopogon

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.

Emperor seamount lightfish

Eustomias uniramis

Bathophilus brevis

Araiophos eastropas

Eustomias bimargaritatus

Atlantic fangjaw

Thorophos euryops

Astronesthes illuminatus

Eustomias magnificus

Heterophotus ophistoma

Eustomias australensis

Astronesthes formosana

Photostomias atrox

Slim lightfish

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


Eustomias schmidti

Astronesthes tatyanae


Borostomias pacificus

Arrow dragonfish

Astronesthes bilobatus

Photonectes caerulescens

Eustomias hulleyi

Polyipnus inermis

Odontostomias masticopogon

Eustomias problematicus

Diplophos australis

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

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.

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

False boarfish

Allocyttus guineensis

Stethopristes eos

Rosy dory


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

Neocyttus acanthorhynchus