Bathypelagic fish - Fish living in the bathypelagic environment

Scopelosaurus craddocki

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

Undistinguished sabretooth

Longfin pearleye

Chubby pearleye

Scopelarchoides kreffti

White barracudina

Paralepis speciosa

Stemonosudis intermedia

Uncisudis posteropelvis

Slender barracudina

Lestidiops extrema

Benthalbella elongata

Scopelarchoides climax

Atlantic sabretooth

Southern barracudina

Macroparalepis nigra

Dolichosudis fuliginosa

Stemonosudis rothschildi

Stemonosudis elegans

Atlantic barracudina

Fierce pike smelt

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

Scopelosaurus gibbsi

Uncisudis advena

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

Strange pike smelt

Benthalbella macropinna

Scopelarchoides nicholsi

Telescopefish

Macroparalepis longilateralis

Evermannella ahlstromi

Sharpchin barracudina

Scopelarchus stephensi

Stemonosudis siliquiventer

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

Coccorella atrata

Lestidiops indopacifica

Zugmayer's pearleye

Scopelarchoides danae

Stemonosudis gracilis

Hoplostethus crassispinus

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

Uncisudis longirostra

Lestidiops pacificus

Scopelarchoides signifer

Evermannella megalops

Stemonosudis molesta

Order Beryciformes

Parinoberyx horridus

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.

Longwing spinyfin

Hoplostethus tenebricus

Atlantic roughy

Hoplostethus marisrubri

Paratrachichthys sajademalensis

Hoplostethus rubellopterus

Aulotrachichthys prosthemius

Hoplostethus metallicus

Hoplostethus fragilis

Hoplostethus abramovi

Diretmoides veriginae

Parmops echinatus

Paratrachichthys argyrophanus

Slimy head

Hoplostethus melanopterus

Hoplostethus druzhinini

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

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.

Parin's spiny fin

Hoplostethus shubnikovi

Hoplostethus mikhailini

Flintperch

Hoplostethus confinis

Paratrachichthys fernandezianus

Aulotrachichthys latus

Hoplostethus rifti

Slimy head

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.

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.

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.

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.

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.

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

Whalefish

Danacetichthys galathenus

Festive ribbonfish

Cetomimus teevani

Trunov southern cetomimid

Cetichthys parini

Parataeniophorus brevis

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

Ataxolepis henactis

Gyrinomimus myersi

Procetichthys kreffti

Cetomimus kerdops

Savage's birdsnouted whalefish

Gyrinomimus bruuni

Cetomimus gillii

Parataeniophorus gulosus

Megalomycter teevani

Gyrinomimus simplex

Cetomimus picklei

Ditropichthys storeri

Cetichthys indagator

Ataxolepis apus

Order Chimaeriformes

Gal

Hydrolagus lusitanicus

Order Gadiformes

Tripterophycis svetovidovi

Patagonian codling

Kumba hebetata

Roundhead grenadier

Coelorinchus melanosagmatus

Pugnose grenadier

Coryphaenoides striaturus

Coryphaenoides microps

Rhynchogadus hepaticus

Hymenocephalus striatulus

Striped codlet

Macrouroides inflaticeps

Gadella brocca

Grenadier

Narrowsnout grenadier

Fragile grenadier

Kumba gymnorhynchus

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

Bighead mora

Finescale mora

Trachonurus sentipellis

Physiculus sazonovi

Kumba musorstom

Slendertail grenadier

Coelorinchus vityazae

Coryphaenoides semiscaber

Blunt-nosed grenadier

Physiculus longifilis

Muraenolepis andriashevi

Gadomus capensis

Coryphaenoides mcmillani

Bighead grenadier

Hymenocephalus barbatulus

Dogtooth grenadier

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

Bathypelagic rattail

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

Coelorinchus nazcaensis

Sphagemacrurus pumiliceps

Bluntsnout grenadier

Physiculus peregrinus

Grenadier fish

Myers' grenadier

Gadella edelmanni

Coryphaenoides grahami

Arrowtail

Whitson's grenadier

Large-eye grenadier

Hymenocephalus antraeus

Globehead grenadier

Bristly grenadier

Physiculus therosideros

Kumba punctulata

Smallhead moray cod

Coryphaenoides spinulosus

Bluntnose grenadier

Physiculus nigriscens

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

Carmine grenadier

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

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.

Squalogadus modificatus

Berry's grenadier

Kumba maculisquama

Sturgeon-like grenadier fish

Coelorinchus trunovi

Sphagemacrurus richardi

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

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

Acentrophryne longidens

Gigantactis gracilicauda

Linophryne racemifera

Pietschichthys horridus

Short-rod anglerfish

Oneirodes alius

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

Torpedo batfish

Tyrannophryne pugnax - The most distinctive feature of T.

Himantolophus paucifilosus

Oneirodes pietschi

Gigantactis balushkini

Linophryne maderensis

Himantolophus macroceratoides

Chirophryne xenolophus

Oneirodes melanocauda

Linophryne digitopogon

Bufoceratias shaoi

Linophryne bicornis

Gigantactis watermani

Himantolophus cornifer

Oneirodes heteronema

Dolopichthys jubatus

Plainchin dreamarm

Linophryne algibarbata

Gigantactis microdontis

Stargazing seadevil

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

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

Oneirodes basili

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

Oneirodes theodoritissieri

Ctenochirichthys longimanus

Linophryne lucifer

Himantolophus multifurcatus

Two-rod anglerfish

Oneirodes myrionemus

Atlantic footballfish

Oneirodes macronema

Rhynchactis macrothrix

Linophryne coronata

Himantolophus brevirostris

Oneirodes flagellifer

Puck pinnata

Murray's abyssal anglerfish

Linophryne arcturi

Gigantactis savagei

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

Linophryne sexfilis

Oneirodes anisacanthus

Himantolophus pseudalbinares

Oneirodes plagionema

Gigantactis elsmani

Linophryne parini

Linophryne escaramosa

Bufoceratias thele

Phyllorhinichthys balushkini - P.

Himantolophus mauli

Oneirodes micronema

Dolopichthys karsteni

Linophryne bipennata

Danaphryne nigrifilis

Himantolophus crinitus

Oneirodes kreffti

Himantolophus azurlucens

Oneirodes dicromischus

Melanocetus eustalus

Linophryne andersoni

Gigantactis microphthalmus

Haplophryne triregium

Oneirodes bradburyae

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

Spiny dreamer

Gigantactis longicauda

Pentherichthys venustus

Gigantactis golovani

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

Acentrophryne dolichonema

Himantolophus nigricornis

Diceratias trilobus

Smooth anglerfish

Linophryne macrodon

Himantolophus macroceras

Oneirodes macrosteus

Rhynchactis microthrix

Linophryne densiramus

Himantolophus compressus

Cosmopolitan whipnose

Gigantactis meadi

Lophodolos indicus

Himantolophus albinares

Smooth dreamer

Oneirodes clarkei

Oneirodes appendixus

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

Oneirodes schmidti

Gigantactis ios

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

Bufoceratias wedli

Phyllorhinichthys micractis - P.

Himantolophus melanolophus

Dolopichthys pullatus

Rhynchactis leptonema

Linophryne brevibarbata

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

Order Myctophiformes

Bolinichthys nikolayi

Symbolophorus rufinus

Skinnycheek lanternfish

Gymnoscopelus hintonoides

Pig-headed lantern fish

Diaphus drachmanni

Pacific blackchin

Spothead lantern fish

Lampanyctus tenuiformis

Longfin lanternfish

Electron subantarctic

Slendertail lanternfish

Diaphus aliciae

Protomyctophum luciferum

Nannobrachium idostigma

Smallfin lanternfish

Nannobrachium crypticum

Taaningichthys minimus

Wisner's lantern fish

Hygophum bruuni

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.

Fragile lantern fish

Triphoturus oculeum

Gymnoscopelus braueri

Diaphus dahlgreni

Metelectrona ahlstromi

Lampanyctus simulator

Brokenline lanternfish

Taaning's lantern fish

Bigeye lanternfish

Black lantern fish

Large-scaled lantern fish

Gonichthys barnesi

Tarletonbeania taylori

Krefftichthys anderssoni

Thickhead lanternfish

Smallfin lanternfish

Gymnoscopelus microlampas

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

Myctophum fissunovi

Lampanyctus turneri

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

Short-headed lantern fish

Gonichthys venetus

Andersen's lantern fish

Slimtail lampfish

Diaphus umbroculus

Broadfin lampfish

Nannobrachium indicum

Protomyctophum bolini

Nannobrachium cuprarium

Taaningichthys paurolychnus

Evermann's lantern fish

Doflein's false headlightfish

Diaphus garmani

Spinycheek lanternfish

Gymnoscopelus fraseri

Diaphus dehaveni

Metelectrona ventralis

Nannobrachium phyllisae

Neoscopelus microchir

Gilbert's large lantern fish

Spinytail lampfish

Diaphus similis

Protomyctophum gemmatum

Lampanyctus

Nannobrachium bristori

Reinhardt's lantern fish

Transparent lantern fish

Protomyctophum andriashevi

Chubby flashlightfish

Golden-nosed lantern fish

Diaphus antonbruuni

Protomyctophum parallelum

Diaphus whitleyi

Nannobrachium wisneri

Lampanyctus iselinoides

Diaphus taaningi

Lampadena urophaos atlantica

Blue lanternfish

Diaphus richardsoni

Protomyctophum chilense

Nannobrachium fernae

Order Notacanthiformes

Halosaurus sinensis

Longnose tapirfish

Aldrovandia rostrata

Polyacanthonotus africanus

Halosaur

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

Bonapart's spiny eel

Halosaurus attenuatus

Halosaurus parvipennis

Aldrovandia oleosa

Notacanthus indicus

Halosaurus carinicauda

Order Ophidiiformes

Thalassobathia nelsoni

Parabrotula plagiophthalmus

Barathronus pacificus

Aphyonus brevidorsalis

Barathrites parri

Bony-eared assfish

Brotulotaenia nielseni

Leucobrotula adipata

Barathronus diaphanus

Two-spined slopebrotula

Gunther's cuskeel

Barathronus unicolor

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

Nielsen's catetyx

Pelagic brotula

Parabrotula tanseimaru

Brotulotaenia brevicauda

Apagesoma delosommatus

Barathronus bicolor

Bassozetus zenkevitchi

Lamprogrammus niger

Brotulotaenia nigra

Barathronus multidens

Marshall slopebrotula

Aphyonus bolini

Violet cuskeel

Order Osmeriformes

Mentodus eubranchus

Krefft's smooth-head

Holtbyrnia ophiocephala

Dolichopteryx binocularis

Snubnose blacksmelt

Salmon smooth-head

Asquamiceps caeruleus

Nansenia sanrikuensis

Rouleina livida

Normichthys yahganorum

Bajacalifornia erimoensis

Maulisia acuticeps

Holtbyrnia conocephala

Bathylagus niger

Fiolenti's smooth-head

Mentodus perforatus

Bathylagichthys longipinnis

Bluethroat argentine

Bathytroctes squamosus

Bathytroctes macrognathus

Winged spookfish

Barrel-eye

Mentodus mesalirus

Searsioides multispinus

Smallscale searsid

Holtbyrnia laticauda

Longsnout blacksmelt

California smoothtongue

Bajacalifornia arcylepis

Loosescale smooth-head

Bathylaco nielseni

Smallscale smooth-head

Sagamichthys gracilis

Agassiz' smooth-head

Bathytroctes elegans

Antillean smooth-head

Mentodus facilis

Winteria telescopa

Dolichopteryx brachyrhynchus

Werner's smooth-head

Asquamiceps hjorti

Palegold searsid

Teardrop tubeshoulder

Bathylagoides argyrogaster

Greenland argentine

Softskin smooth-head

Bruce's argentine

Bathytroctes zugmayeri

Abyssal smooth-head

Leptoderma lubricum

Koefoed's smooth-head

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

Streaklight tubeshoulder

Dolichopteryx anascopa

Matsuichthys aequipinnis

Bathytroctes pappenheimi

Schnakenbeck's searsid

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

Dolichopteryx minuscula

Fangtooth smooth-head

Fanfin smooth-head

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

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

Mentodus longirostris

Norman's smooth-head

Searsioides calvala

Maulisia isaacsi

Holtbyrnia intermedia

Bajacalifornia microstoma

Legless searsid

Palebelly searsid

Bathylagus andriashevi

Robust blacksmelt

Nansenia iberica

Rouleina eucla

Bajacalifornia aequatoris

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

Dolichopteryx trunovi

Bathytroctes breviceps

Order Perciformes

Kali parri

Plectranthias parini

Stout slipskin

Pseudoscopelus obtusifrons

Pseudoscopelus astronesthidens

Blue driftfish

Bigmouth veilfin

Tonga escolar

Malakichthys barbatus

Melanostigma inexpectatum

Trewavas croaker

Bathyclupea argentea

Pseudoscopelus sagamianus

Tasmanian ruffe

Seleniolycus pectoralis

Pale eelpout

Pseudoscopelus lavenbergi

Kali macrura

Lycenchelys imamurai

Barracuda cardinalfish

Pseudoscopelus altipinnis

Dysalotus oligoscolus

Paracaristius heemstrai

Melanostigma bathium

Pachycara dolichaulus

Thinlip splitfin

Plectranthias robertsi

Stubraker sculpin

Cutlassfish

Pseudoscopelus parini

Pseudoscopelus bothrorrhinos

Kali indica

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

Platyberyx opalescens

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

Melanostigma orientale

Seleniolycus robertsi

Pseudoscopelus scutatus

Eumegistus brevorti

Lycodapus microchir

Pseudoscopelus microps

Kali normani

Plectranthias pallidus

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.

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

Bathyclupea megaceps

Black swallower

Paracaristius maderensis

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

Atrobucca geniae

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

Bothrocara nyx

Pseudoscopelus pierbartus

Seleniolycus laevifasciatus

Bigtooth eelpout

Pseudoscopelus cephalus

Aethotaxis mitopteryx pawsoni

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

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.

Saccopharynx hjorti

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

Acantholiparis caecus

Marvelous dwarf snailfish

Genioliparis ferox

Paraliparis skeliphrus

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

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

Pacific astronesthid fish

Highfin dragonfish

Maurolicus breviculus

Eustomias trewavasae - Eustomias trewavasae is a small abyssal barbeled dragonfish of the family Stomiidae, found worldwide in tropical and subtropical oceans at depths down to 1,500 m.

Cyclothone obscura

Snaggletooth

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.

Benttooth bristlemouth

Melanostomias pollicifer

Eustomias cirritus

Eustomias ioani

Bathophilus altipinnis

Valenciennellus carlsbergi

Eustomias schiffi

Eustomias gibbsi

Margrethia valentinae

Eustomias posti

Lovely hatchetfish

Astronesthes karsteni

Stomias danae

Melanostomias globulifer

Eustomias braueri

Torpedo dragonfish

Eustomias parini

Leptostomias multifilis

Astronesthes gudrunae

Ichthyococcus parini

Eustomias bibulboides

Eustomias aequatorialis

Astronesthes

Photonectes margarita

Eustomias minimus

Chauliodus minimus

Maurolicus rudjakovi

Astronesthes dupliglandis

Photonectes albipennis

Eustomias elongatus

Eustomias melanostigmoides

Bathophilus kingi

Bigeye lightfish

Eustomias longiramis

Scaleless black dragonfish

Vinciguerria mabahiss - Vinciguerria mabahiss is a species of Vinciguerria.

Eustomias tetranema

Aristostomias polydactylus

Garrick

Astronesthes martensii

Eustomias cryptobulbus

Tentacle dragonfish

Eustomias bulbornatus

Eustomias inconstans

Polyipnus soelae

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

Half-naked hatchetfish

Eustomias bimargaritoides

Elongated bristlemouth fish

Thorophos nexilis

Eustomias paxtoni

Argyripnus iridescens

Eustomias multifilis

Chauliodus vasnetzovi - Viperfish

Araiophos eastropas

Pearlside

Astronesthes galapagensis

Highlight hatchetfish

Bulldog lightfish

Eustomias austratlanticus

Photostomias goodyeari

Eustomias micraster

Bathophilus proximus

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.

Astronesthes chrysophekadion

Panama snaggletooth

Astronesthes tatyanae

Heterophotus ophistoma

Eustomias magnificus

Bathophilus indicus

Emperor seamount lightfish

Eustomias uniramis

Eustomias schmidti

Aristostomias grimaldii

Bristlemouth

Snaggletooth

Melanostomias stewarti

Eustomias contiguus

Threelight dragonfish

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

Longfin dragonfish

Constellationfish

Eustomias hulleyi

Odontostomias masticopogon

Polyipnus inermis

Diplophos australis

Eustomias problematicus

Pacific hatchet fish

Astronesthes kreffti

Stomias gracilis

Melanostomias melanopogon

Eustomias brevibarbatus

Grammatostomias flagellibarba

Leptostomias robustus

Astronesthes haplophos

Maurolicus stehmanni

Astronesthes exsul

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

Eustomias albibulbus

Photonectes parvimanus

Eustomias monoclonoides

Chauliodus pammelas

Eustomias mesostenus

Maurolicus kornilovorum

Astronesthes atlanticus

Opostomias micripnus

Borostomias mononema

Cyclothone pygmaea

Astronesthes splendida

Melanostomias nigroaxialis

Eustomias macronema

Sparing

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.

Astronesthes leucopogon

Alcock's boafish

Eustomias cancriensis

Eustomias interruptus

Eustomias satterleei

Sladen's hatchet fish

Astronesthes indopacificus

Shortbarbel dragonfish

Sternoptyx pseudodiaphana

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 bituberoides

Gonostoma longipinnis

Thysanactis dentex

Eustomias pacificus

Leptostomias longibarba

Snaggletooth

Lightfish

Eustomias bertelseni

Loosejaw

Eustomias micropterygius

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

Maurolicus parvipinnis