Bathypelagic fish - Fish living in the bathypelagic environment

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

Scopelosaurus craddocki

Longfin pearleye

Chubby pearleye

Undistinguished sabretooth

Scopelarchoides kreffti

Paralepis speciosa

Stemonosudis intermedia

Uncisudis posteropelvis

Slender barracudina

Benthalbella elongata

Lestidiops extrema

Scopelarchoides climax

Dolichosudis fuliginosa

Stemonosudis rothschildi

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

Benthalbella macropinna

Strange pike smelt

Scopelarchoides nicholsi

Telescopefish

Macroparalepis longilateralis

Sharpchin barracudina

Evermannella ahlstromi

Japanese barracudina

Antarctic jonasfish

Lestidiops similis

Scopelarchus stephensi

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

Stemonosudis siliquiventer

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

Coccorella atrata

Zugmayer's pearleye

Lestidiops indopacifica

Scopelarchoides danae

Ahliesaurus brevis

Stemonosudis gracilis

Hoplostethus crassispinus

Lestidium bigelowi

Uncisudis longirostra

Scopelosaurus mauli

Paperbones

Lestidiops pacificus

Scopelarchoides signifer

Evermannella megalops

Order Beryciformes

Parinoberyx horridus

Longwing spinyfin

Hoplostethus tenebricus

Atlantic roughy

Hoplostethus marisrubri

Shorthorn fangtooth - While understandably named for their disproportionately large, fang-like teeth and unapproachable visage, fangtooths are actually quite small and harmless to humans: the larger of the two species, the common fangtooth, reaches a maximum length of just 16 centimetres ; the shortthorn fangtooth is about half this size.

Paratrachichthys sajademalensis

Hoplostethus rubellopterus

Hoplostethus metallicus

Aulotrachichthys prosthemius

Hoplostethus fragilis

Hoplostethus abramovi

Diretmoides veriginae

Parmops echinatus

Paratrachichthys argyrophanus

Slimy head

Hoplostethus melanopterus

Hoplostethus druzhinini

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.

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

Flintperch

Hoplostethus confinis

Paratrachichthys fernandezianus

Hoplostethus rifti

Slimy head

Aulotrachichthys latus

Hoplostethus fedorovi

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.

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.

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

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

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.

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.

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

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.

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

Apristurus internatus - Reproduction is oviparous.

Order Cetomimiformes

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

Pink flabby whalefish

Vitiaziella cubiceps

Ataxolepis apus

Whalefish

Danacetichthys galathenus

Festive ribbonfish

Cetomimus teevani

Trunov southern cetomimid

Cetichthys parini

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

Parataeniophorus brevis

Gyrinomimus myersi

Procetichthys kreffti

Ataxolepis henactis

Cetomimus kerdops

Savage's birdsnouted whalefish

Gyrinomimus bruuni

Cetomimus gillii

Parataeniophorus gulosus

Megalomycter teevani

Gyrinomimus simplex

Cetomimus picklei

Ditropichthys storeri

Cetichthys indagator

Order Chimaeriformes

Gal

Hydrolagus lusitanicus

Order Gadiformes

Tripterophycis svetovidovi

Patagonian codling

Roundhead grenadier

Kumba hebetata

Coelorinchus melanosagmatus

Pugnose grenadier

Coryphaenoides striaturus

Parin's grenadier

Physiculus parini

Dusky rattail

Coryphaenoides microps

Rhynchogadus hepaticus

Gadomus multifilis

Striped codlet

Hymenocephalus striatulus

Macrouroides inflaticeps

Grenadier

Gadella brocca

Narrowsnout grenadier

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

Kumba gymnorhynchus

Bighead mora

Trachonurus sentipellis

Physiculus sazonovi

Fragile grenadier

Kumba musorstom

Coelorinchus vityazae

Slendertail grenadier

Coryphaenoides semiscaber

Blunt-nosed grenadier

Physiculus longifilis

Muraenolepis andriashevi

Coryphaenoides mcmillani

Gadomus capensis

Bighead grenadier

Dogtooth grenadier

Hymenocephalus barbatulus

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

Bathypelagic rattail

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

Coelorinchus nazcaensis

Sphagemacrurus pumiliceps

Bluntsnout grenadier

Physiculus peregrinus

Grenadier fish

Myers' grenadier

Coryphaenoides grahami

Hymenocephalus antraeus

Globehead grenadier

Bristly grenadier

Physiculus therosideros

Kumba punctulata

Smallhead moray cod

Coryphaenoides spinulosus

Bluntnose grenadier

Physiculus nigriscens

Mediterranean grenadier

Echinomacrurus mollis

Threadfin grenadier

Carmine grenadier

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

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.

Kumba calvifrons

Finescale mora

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

Ventrifossa paxtoni

Laemonema melanurum

Naked snout rattail

Squalogadus modificatus

Berry's grenadier

Kumba maculisquama

Coelorinchus trunovi

Sphagemacrurus richardi

Sturgeon-like grenadier fish

Kaiwi Channel grenadier

Physiculus roseus

Guttigadus nudicephalus

Nezumia cyrano

Bathygadus spongiceps

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

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.

Coryphaenoides macrolophus

Doublethread grenadier

Coryphaenoides camurus

Hymenocephalus aterrimus

Order Lampriformes

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

Dealfish

Southern ribbonfish

Taper-tail ribbonfish

Regalecus russelii

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

Order Lophiiformes

Bulbous dreamer

Oneirodes thysanema

Gigantactis longicirra

Gigantactis gracilicauda

Pietschichthys horridus

Linophryne racemifera

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.

Tyrannophryne pugnax - The most distinctive feature of T.

Torpedo batfish

Oneirodes pietschi

Himantolophus paucifilosus

Gigantactis balushkini

Linophryne maderensis

Chirophryne xenolophus

Oneirodes melanocauda

Himantolophus macroceratoides

Bufoceratias shaoi

Linophryne digitopogon

Acentrophryne longidens

Linophryne bicornis

Gigantactis watermani

Oneirodes heteronema

Himantolophus cornifer

Dolopichthys jubatus

Plainchin dreamarm

Linophryne algibarbata

Gigantactis microdontis

Stargazing seadevil

Chaenophryne ramifera

Oneirodes cristatus

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

Oneirodes basili

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

Oneirodes theodoritissieri

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

Ctenochirichthys longimanus

Himantolophus multifurcatus

Oneirodes macronema

Atlantic footballfish

Rhynchactis macrothrix

Linophryne coronata

Oneirodes flagellifer

Himantolophus brevirostris

Puck pinnata

Linophryne arcturi

Murray's abyssal anglerfish

Gigantactis savagei

Photocorynus spiniceps - The known mature male individuals are 6.

Gigantactis macronema

Oneirodes schistonema

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

Gigantactis herwigi

Linophryne sexfilis

Oneirodes anisacanthus

Oneirodes plagionema

Himantolophus pseudalbinares

Gigantactis elsmani

Linophryne parini

Bufoceratias thele

Phyllorhinichthys balushkini - P.

Linophryne escaramosa

Oneirodes micronema

Himantolophus mauli

Dolopichthys karsteni

Danaphryne nigrifilis

Linophryne bipennata

Oneirodes kreffti

Himantolophus crinitus

Oneirodes dicromischus

Himantolophus azurlucens

Linophryne andersoni

Melanocetus eustalus

Gigantactis microphthalmus

Oneirodes bradburyae

Haplophryne triregium

Spiny dreamer

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

Pentherichthys venustus

Gigantactis longicauda

Gigantactis golovani

Caulophryne polynema

Linophryne quinqueramosa

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

Oneirodes rosenblatti

Diceratias trilobus

Smooth anglerfish

Himantolophus nigricornis

Linophryne macrodon

Oneirodes macrosteus

Himantolophus macroceras

Rhynchactis microthrix

Linophryne densiramus

Acentrophryne dolichonema

Oneirodes haplonema

Himantolophus compressus

Dolopichthys dinema

Linophryne argyresca

Melanocetus rossi

Cosmopolitan whipnose

Himantolophus albinares

Oneirodes appendixus

Oneirodes schmidti

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

Gigantactis ios

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

Linophryne trewavasae

Oneirodes posti

Pacific footballfish

Triplewart seadevil

Gigantactis gargantua

Caulophryne pelagica

Linophryne pennibarbata

Bufoceratias wedli

Phyllorhinichthys micractis - P.

Linophryne indica

Oneirodes mirus

Himantolophus melanolophus

Robia legula

Oneirodes luetkeni

Himantolophus danae

Dolopichthys pullatus

Rhynchactis leptonema

Linophryne brevibarbata

Nightmare dreamer

Himantolophus borealis

Deepsea angler - Linophryne arborifera, or illuminated netdevil, is an anglerfish of the family Linophrynidae, found in all tropical and subtropical oceans at depths below 1,000 m .

Blackdevil - The humpback anglerfish or blackdevil, Melanocetus johnsonii, is a deep-sea anglerfish in the family Melanocetidae, found in tropical to temperate parts of all oceans at depths of up to 2,000 meters .

Gigantactis paxtoni

Order Myctophiformes

Bolinichthys nikolayi

Symbolophorus rufinus

Gymnoscopelus hintonoides

Skinnycheek lanternfish

Diaphus drachmanni

Pig-headed lantern fish

Pacific blackchin

Spothead lantern fish

Lampanyctus tenuiformis

Electron subantarctic

Slendertail lanternfish

Protomyctophum luciferum

Smallfin lanternfish

Nannobrachium idostigma

Nannobrachium crypticum

Taaningichthys minimus

Wisner's lantern fish

Gymnoscopelus opisthopterus

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

Fragile lantern fish

Triphoturus oculeum

Diaphus dahlgreni

Gymnoscopelus braueri

Mead's lanternfish

Metelectrona ahlstromi

Lampanyctus simulator

Taaning's lantern fish

Bigeye lanternfish

Brokenline lanternfish

Black lantern fish

Tarletonbeania taylori

Large-scaled lantern fish

Krefftichthys anderssoni

Thickhead lanternfish

Diaphus ehrhorni

Gymnoscopelus microlampas

Diaphus minax

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.

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

Andersen's lantern fish

Nannobrachium indicum

Protomyctophum bolini

Mirror lanterfish

Nannobrachium cuprarium

Taaningichthys paurolychnus

Evermann's lantern fish

Doflein's false headlightfish

Diaphus garmani

Spinycheek lanternfish

Diaphus dehaveni

Gymnoscopelus fraseri

Diaphus megalops

Metelectrona ventralis

Nannobrachium phyllisae

Gilbert's large lantern fish

Neoscopelus microchir

Diaphus similis

Protomyctophum gemmatum

Spinytail lampfish

Lampanyctus

Nannobrachium bristori

Protomyctophum andriashevi

Reinhardt's lantern fish

Diaphus jenseni

Lobisomem

Transparent lantern fish

Chubby flashlightfish

Golden-nosed lantern fish

Diaphus antonbruuni

Diaphus whitleyi

Protomyctophum parallelum

Nannobrachium wisneri

Diaphus taaningi

Lampanyctus iselinoides

Lampadena urophaos atlantica

Blue lanternfish

Diaphus richardsoni

Protomyctophum chilense

Nannobrachium fernae

Order Notacanthiformes

Halosaurus sinensis

Longnose tapirfish

Polyacanthonotus africanus

Aldrovandia rostrata

Halosaur

Bonapart's spiny eel

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

Halosaurus attenuatus

Halosaurus parvipennis

Notacanthus indicus

Aldrovandia oleosa

Halosaurus carinicauda

Order Ophidiiformes

Alcockia rostrata

Barathronus parfaiti

Barathronus bruuni

Thalassobathia nelsoni

Parabrotula plagiophthalmus

Apagesoma delosommatus

Barathronus pacificus

Barathrites parri

Brotulotaenia nielseni

Bony-eared assfish

Aphyonus bolini

Leucobrotula adipata

Two-spined slopebrotula

Gunther's cuskeel

Barathronus unicolor

Barathronus diaphanus

Nielsen's catetyx

Pelagic brotula

Parabrotula tanseimaru

Brotulotaenia brevicauda

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

Apagesoma edentatum

Bassozetus zenkevitchi

Lamprogrammus niger

Barathronus bicolor

Brotulotaenia nigra

Aphyonus brevidorsalis

Marshall slopebrotula

Barathronus multidens

Violet cuskeel

Order Osmeriformes

Dolichopteryx binocularis

Holtbyrnia ophiocephala

Rouleina livida

Nansenia sanrikuensis

Normichthys yahganorum

Fiolenti's smooth-head

Bathylagus niger

Maulisia acuticeps

Holtbyrnia conocephala

Mentodus perforatus

Bathylagichthys longipinnis

Bluethroat argentine

Asquamiceps caeruleus

Bathytroctes squamosus

Starry smooth-head

Bajacalifornia erimoensis

Threadfin slickhead

Deep-sea smelt

Bathytroctes macrognathus

Searsioides multispinus

Elongate smooth-head

California smoothtongue

Loosescale smooth-head

Nansenia ahlstromi

Bathylaco nielseni

Smallscale smooth-head

Sagamichthys gracilis

Bajacalifornia arcylepis

Bathytroctes elegans

Agassiz' smooth-head

Antillean smooth-head

Mentodus facilis

Winteria telescopa

Werner's smooth-head

Dolichopteryx brachyrhynchus

Conocara kreffti

Blackchin blacksmelt

Palegold searsid

Teardrop tubeshoulder

Bathylagoides argyrogaster

Softskin smooth-head

Greenland argentine

Bathytroctes zugmayeri

Abyssal smooth-head

Bigeye smooth-head

Koefoed's smooth-head

Leptoderma lubricum

Threadfin 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

Bruce's argentine

Murray's smooth-head

Bathylagus tenuis

Dolichopteryx anascopa

Streaklight tubeshoulder

Matsuichthys aequipinnis

Bighead searsid

Boneythroat

Nansenia antarctica

Bathytroctes pappenheimi

Schnakenbeck's searsid

Brown slickhead

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

Bathytroctes inspector

Vaillant's smooth-head

Hairfin smooth-head

Fangtooth 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.

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

Mentodus longirostris

Holtbyrnia intermedia

Bathylagus andriashevi

Robust blacksmelt

Rouleina eucla

Nansenia iberica

Toothless smooth-head

Bajacalifornia microstoma

Michael Sars smooth-head

Leptoderma retropinna

Shining tubeshoulder

Pygmy argentine

Bajacalifornia aequatoris

Bathytroctes breviceps

Dolichopteryx trunovi

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

Order Perciformes

Plectranthias parini

Kali parri

Stout slipskin

Pseudoscopelus obtusifrons

Escolar

Kali falx

Lycodapus derjugini

Pseudoscopelus astronesthidens

Blue driftfish

Bigmouth veilfin

Tonga escolar

Malakichthys barbatus

Melanostigma inexpectatum

Ariommid

Bathyclupea argentea

Pseudoscopelus sagamianus

Tasmanian ruffe

Seleniolycus pectoralis

Trewavas croaker

Pale eelpout

Pseudoscopelus lavenbergi

Kali macrura

Lycenchelys imamurai

Pseudoscopelus altipinnis

Barracuda cardinalfish

Dysalotus oligoscolus

Paracaristius heemstrai

Melanostigma bathium

Pachycara dolichaulus

Thinlip splitfin

Plectranthias robertsi

Stubraker sculpin

Pseudoscopelus parini

Pseudoscopelus bothrorrhinos

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

Platyberyx opalescens

Kali indica

Deepwater slipskin

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

New Zealand ruffe

Melanostigma orientale

Malakichthys levis

Bathyclupea gracilis

Gaper

Seleniolycus robertsi

Pseudoscopelus scutatus

Eumegistus brevorti

Lycodapus microchir

Pseudoscopelus microps

Plectranthias pallidus

Kali normani

Longfin fathead

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.

Kali colubrina

Lycodapus

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

Black swallower

Bathyclupea megaceps

Paracaristius maderensis

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

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

Bothrocara nyx

Pseudoscopelus pierbartus

Seleniolycus laevifasciatus

Atrobucca geniae

Bigtooth eelpout

Pseudoscopelus cephalus

Kali macrodon

Sherborn's cardinalfish

African barrelfish

Midwater eelpout

Fan-tailed rag-fish - The ragfish body is scaleless and limp, both because of the cartilaginous skeleton, as well as its flabby muscles.

Aethotaxis mitopteryx pawsoni

Malakichthys mochizuki

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

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

Monognathus jesse

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

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

Notoliparis antonbruuni

Blackmouth rockfish

Smalleye dwarf snailfish

Midwater scorpionfish

Squaloliparis dentatus

Genioliparis kafanovi

Careproctus marginatus

Sargasso dwarf snailfish

Tadpole liparid

Short-headed sculpin

Multipore dwarf snailfish

Edentoliparis terraenovae

Paraliparis carlbondi

Icelus mandibularis

Deepwater rockfish - S.

Stein's dwarf snailfish

Gelatinous dwarf snailfish

Marvelous dwarf snailfish

Paraliparis skeliphrus

Genioliparis ferox

Acantholiparis caecus

Order Squaliformes

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.

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.

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

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.

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.

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.

Order Stephanoberyciformes

Scopelogadus beanii

Poromitra unicornis

Ridgehead

Melamphaes macrocephalus

Ridgehead

Melamphaes indicus

Slender bigscale

Abyssoberyx levisquamosus

Scopeloberyx microlepis

Large-headed midnight fish

Melamphaes laeviceps

Bigscale

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

Malacosarcus macrostoma

Ridgehead

Scopelogadus unispinis

Order Stomiiformes

Eustomias curtifilis

Highfin dragonfish

Valenciennellus carlsbergi

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.

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.

Astronesthes formosana

Benttooth bristlemouth

Eustomias cirritus

Melanostomias pollicifer

Bathophilus altipinnis

Eustomias ioani

Eustomias schiffi

Astronesthes bilobatus

Astronesthes tanibe

Eustomias gibbsi

Pacific astronesthid fish

Margrethia valentinae

Eustomias posti

Stomias danae

Eustomias braueri

Melanostomias globulifer

Torpedo dragonfish

Eustomias parini

Leptostomias multifilis

Eustomias bibulboides

Ichthyococcus parini

Eustomias aequatorialis

Photonectes margarita

Photonectes albipennis

Eustomias elongatus

Bathophilus kingi

Bigeye lightfish

Eustomias melanostigmoides

Lovely hatchetfish

Astronesthes karsteni

Astronesthes gudrunae

Scaleless black dragonfish

Vinciguerria mabahiss - Vinciguerria mabahiss is a species of Vinciguerria.

Eustomias longiramis

Eustomias tetranema

Garrick

Eustomias cryptobulbus

Astronesthes dupliglandis

Astronesthes

Eustomias bulbornatus

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

Eustomias radicifilis

Scaly dragonfish

Eustomias bimargaritoides

Thorophos nexilis

Elongated bristlemouth fish

Pacific blackdragon

Eustomias paxtoni

Aristostomias polydactylus

Astronesthes martensii

Chauliodus vasnetzovi - Viperfish

Eustomias multifilis

Highlight hatchetfish

Eustomias austratlanticus

Pearlside

Photostomias goodyeari

Bulldog lightfish

Astronesthes lampara

Half-naked hatchetfish

Argyripnus iridescens

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.

Heterophotus ophistoma

Emperor seamount lightfish

Eustomias uniramis

Araiophos eastropas

Astronesthes galapagensis

Eustomias schmidti

Bristlemouth

Eustomias contiguus

Threelight dragonfish

Melanostomias stewarti

Longfin dragonfish

Constellationfish

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

Astronesthes tatyanae

Astronesthes chrysophekadion

Polyipnus inermis

Odontostomias masticopogon

Eustomias hulleyi

Melanostomias melanopogon

Diplophos australis

Eustomias problematicus

Stomias gracilis

Eustomias brevibarbatus

Grammatostomias flagellibarba

Leptostomias robustus

Aristostomias grimaldii

Maurolicus stehmanni

Eustomias albibulbus

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

Photonectes parvimanus

Chauliodus pammelas

Eustomias monoclonoides

Pacific hatchet fish

Astronesthes kreffti

Astronesthes haplophos

Melanostomias nigroaxialis

Eustomias mesostenus

Opostomias micripnus

Maurolicus kornilovorum

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 cancriensis

Eustomias interruptus

Shortbarbel dragonfish

Eustomias bituberoides

Thysanactis dentex

Gonostoma longipinnis

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

Astronesthes atlanticus

Astronesthes splendida

Loosejaw

Sternoptyx pseudodiaphana

Eustomias pacificus

Leptostomias longibarba

Eustomias bertelseni

Loosejaw

Lightfish

Astronesthes leucopogon

Sladen's hatchet fish

Argyripnus pharos

Astronesthes indopacificus

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

Eustomias micropterygius

Pachystomias microdon

Maurolicus parvipinnis