Bathypelagic fish - Fish living in the bathypelagic environment

Stemonosudis siliquiventer

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

Scopelosaurus adleri

Coccorella atrata

Lestidiops indopacifica

Zugmayer's pearleye

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

Lestidium prolixum

Slender barracudina

Bigfin pearleye

Stemonosudis gracilis

Scopelarchoides climax

Scopelosaurus mauli

Uncisudis longirostra

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

Benthalbella macropinna

Strange pike smelt

Scopelarchoides nicholsi

Ahliesaurus brevis

Undistinguished sabretooth

White barracudina

Evermannella megalops

Stemonosudis molesta

Stemonosudis bullisi

Telescopefish

Scopelosaurus craddocki

Scopelarchus stephensi

Scopelarchoides danae

Macroparalepis danae

Stemonosudis intermedia

Uncisudis posteropelvis

Atlantic sabretooth

Lestidiops extrema

Benthalbella elongata

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

Hoplostethus melanopterus

Lestidium bigelowi

Southern barracudina

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

Lestidiops pacificus

Scopelarchoides signifer

Macroparalepis nigra

Dolichosudis fuliginosa

Stemonosudis rothschildi

Stemonosudis elegans

Scopelosaurus gibbsi

Uncisudis advena

Order Beryciformes

Slimy head

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

Parinoberyx horridus

Hoplostethus tenebricus

Hoplostethus druzhinini

Parin's spiny fin

Hoplostethus shubnikovi

Hoplostethus mikhailini

Flintperch

Paratrachichthys sajademalensis

Hoplostethus confinis

Aulotrachichthys prosthemius

Hoplostethus rifti

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

Slimy head

Parmops echinatus

Paratrachichthys argyrophanus

Hoplostethus fedorovi

Longwing spinyfin

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

Paratrachichthys fernandezianus

Hoplostethus fragilis

Hoplostethus abramovi

Aulotrachichthys latus

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.

Apristurus internatus - Reproduction is oviparous.

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.

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

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.

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.

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

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

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

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.

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.

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.

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

Ataxolepis henactis

Cetomimus picklei

Ditropichthys storeri

Cetichthys indagator

Gyrinomimus myersi

Pink flabby whalefish

Parataeniophorus brevis

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

Procetichthys kreffti

Ataxolepis apus

Cetomimus kerdops

Order Chimaeriformes

Gal

Hydrolagus lusitanicus

Order Gadiformes

Myers' grenadier

Tripterophycis svetovidovi

Grenadier fish

Whitson's grenadier

Gadella edelmanni

Coryphaenoides grahami

Coryphaenoides striaturus

Parin's grenadier

Physiculus parini

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

Large-eye grenadier

Globehead grenadier

Hymenocephalus striatulus

Striped codlet

Kumba punctulata

Kumba gymnorhynchus

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

Smallhead moray cod

Coryphaenoides spinulosus

Echinomacrurus mollis

Threadfin grenadier

Mediterranean grenadier

Carmine grenadier

Trachonurus sentipellis

Physiculus sazonovi

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

Shortbeard grenadier

Blunt-nosed grenadier

Physiculus longifilis

Laemonema melanurum

Naked snout rattail

Ventrifossa paxtoni

Squalogadus modificatus

Dogtooth grenadier

Hymenocephalus barbatulus

Kumba maculisquama

Berry's grenadier

Sphagemacrurus richardi

Coelorinchus trunovi

Sturgeon-like grenadier fish

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

Bluntsnout grenadier

Physiculus peregrinus

Coryphaenoides camurus

Patagonian codling

Fragile grenadier

Arrowtail

Hymenocephalus antraeus

Coelorinchus melanosagmatus

Dusky rattail

Gadomus multifilis

Coryphaenoides microps

Rhynchogadus hepaticus

Macrouroides inflaticeps

Gadella brocca

Grenadier

Bristly grenadier

Physiculus therosideros

Bluntnose grenadier

Physiculus nigriscens

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

Coelorinchus vityazae

Slendertail grenadier

Kumba calvifrons

Muraenolepis andriashevi

Coryphaenoides semiscaber

Gadomus capensis

Coryphaenoides mcmillani

Guttigadus nudicephalus

Kaiwi Channel grenadier

Physiculus roseus

Bighead grenadier

Nezumia cyrano

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

Hymenocephalus aterrimus

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

Bathypelagic rattail

Sphagemacrurus pumiliceps

Coelorinchus nazcaensis

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

Dealfish

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

Bufoceratias shaoi

Linophryne digitopogon

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

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

Oneirodes rosenblatti

Gigantactis watermani

Linophryne bicornis

Stargazing seadevil

Diceratias trilobus

Himantolophus nigricornis

Smooth anglerfish

Gigantactis microdontis

Linophryne algibarbata

Gigantactis kreffti

Himantolophus macroceras

Oneirodes macrosteus

Rhynchactis microthrix

Dolopichthys dinema

Ctenochirichthys longimanus

Gigantactis gibbsi

Caulophryne pietschi

Linophryne polypogon

Himantolophus compressus

Oneirodes haplonema

Himantolophus albinares

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 savagei

Murray's abyssal anglerfish

Linophryne arcturi

Pacific footballfish

Oneirodes posti

Himantolophus melanolophus

Oneirodes mirus

Robia legula

Gigantactis macronema

Photocorynus spiniceps - The known mature male individuals are 6.

Dolopichthys pullatus

Rhynchactis leptonema

Gigantactis herwigi

Gigantactis elsmani

Linophryne parini

Himantolophus borealis

Nightmare dreamer

Oneirodes thysanema

Bufoceratias thele

Linophryne escaramosa

Phyllorhinichthys balushkini - P.

Bulbous dreamer

Acentrophryne dolichonema

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

Danaphryne nigrifilis

Linophryne bipennata

Gigantactis microphthalmus

Melanocetus eustalus

Linophryne andersoni

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

Linophryne quinqueramosa

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

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

Cosmopolitan whipnose

Himantolophus multifurcatus

Oneirodes myrionemus

Gigantactis meadi

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

Atlantic footballfish

Oneirodes macronema

Rhynchactis macrothrix

Triplewart seadevil

Gigantactis gargantua

Caulophryne pelagica

Linophryne pennibarbata

Himantolophus brevirostris

Oneirodes flagellifer

Phyllorhinichthys micractis - P.

Smooth dreamer

Bulbous dreamer

Acentrophryne longidens

Linophryne brevibarbata

Oneirodes anisacanthus

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

Oneirodes schistonema

Gigantactis 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 .

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 .

Himantolophus pseudalbinares

Oneirodes plagionema

Order Myctophiformes

Broadfin lampfish

Gymnoscopelus hintonoides

Bolinichthys nikolayi

Symbolophorus rufinus

Nannobrachium indicum

Skinnycheek lanternfish

Diaphus drachmanni

Pacific blackchin

Pig-headed lantern fish

Electron subantarctic

Mirror lanterfish

Protomyctophum bolini

Nannobrachium cuprarium

Diaphus aliciae

Slendertail lanternfish

Metelectrona ventralis

Taaningichthys minimus

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

Diaphus thiollierei

Nannobrachium phyllisae

Lampanyctus

Diaphus dahlgreni

Gymnoscopelus braueri

Diaphus similis

Spinytail lampfish

Protomyctophum gemmatum

Transparent lantern fish

Protomyctophum andriashevi

Nannobrachium bristori

Diaphus arabicus

Gonichthys barnesi

Tarletonbeania taylori

Large-scaled lantern fish

Nannobrachium wisneri

Lantern fish

Gymnoscopelus microlampas

Hudson's lanternfish

Krefftichthys anderssoni

Topside lampfish

Diaphus ehrhorni

Diaphus taaningi

Lampanyctus iselinoides

Protomyctophum parallelum

Short-headed lantern fish

Thickhead lanternfish

Smallfin 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.

Diaphus richardsoni

Lampadena urophaos atlantica

Protomyctophum chilense

Nannobrachium fernae

Lantern fish

Andersen's lantern fish

Gonichthys venetus

Diaphus pallidus

Lampadena dea

Spothead lantern fish

Taaningichthys paurolychnus

Lampanyctus tenuiformis

Golden lanternfish

Doflein's false headlightfish

Popeye lampfish

Evermann's lantern fish

Diaphus garmani

Protomyctophum luciferum

Smallfin lanternfish

Nannobrachium idostigma

Spinycheek lanternfish

Diaphus dehaveni

Gymnoscopelus fraseri

Nannobrachium crypticum

Gilbert's large lantern fish

Golden-nosed lantern fish

Neoscopelus microchir

Diaphus nielseni

Wisner's lantern fish

Mead's lanternfish

Metelectrona ahlstromi

Lampanyctus simulator

Reinhardt's lantern fish

Taaning's lantern fish

Brokenline lanternfish

Bigeye lanternfish

Black lantern fish

Chubby flashlightfish

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.

Laura's lantern fish

Lampanyctus turneri

Myctophum fissunovi

Order Notacanthiformes

Aldrovandia rostrata

Halosaurus parvipennis

Polyacanthonotus africanus

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

Halosaurus carinicauda

Halosaurus attenuatus

Order Ophidiiformes

Barathronus bruuni

Parabrotula tanseimaru

Thalassobathia nelsoni

Bony-eared assfish

Aphyonus bolini

Lamprogrammus niger

Bassozetus zenkevitchi

Barathronus pacificus

Barathrites parri

Brotulotaenia nielseni

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

Apagesoma edentatum

Leucobrotula adipata

Two-spined slopebrotula

Barathronus diaphanus

Nielsen's catetyx

Pelagic brotula

Aphyonus brevidorsalis

Brotulotaenia brevicauda

Barathronus parfaiti

Barathronus bicolor

Parabrotula plagiophthalmus

Brotulotaenia nigra

Marshall slopebrotula

Barathronus multidens

Apagesoma delosommatus

Order Osmeriformes

Bathytroctes zugmayeri

Abyssal smooth-head

Mentodus eubranchus

Leptoderma lubricum

Koefoed's smooth-head

Rouleina livida

Nansenia sanrikuensis

Bajacalifornia erimoensis

Normichthys yahganorum

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

Starry smooth-head

Dolichopteryx anascopa

Streaklight tubeshoulder

Matsuichthys aequipinnis

Bathytroctes pappenheimi

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

Vaillant's smooth-head

Bathytroctes inspector

Rouleina euryops

Nansenia longicauda

Bajacalifornia arcylepis

Normichthys herringi

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

Dolichopteryx minuscula

Fangtooth smooth-head

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

Sagamichthys gracilis

Searsioides calvala

Norman's smooth-head

Holtbyrnia intermedia

Longfin smooth-head

Pacific black smelt

Maulisia isaacsi

Asquamiceps caeruleus

Antillean smooth-head

Palebelly searsid

Bathylagus andriashevi

Robust blacksmelt

Toothless smooth-head

Mentodus facilis

Bigeye smooth-head

Leptoderma retropinna

Michael Sars smooth-head

Dolichopteryx trunovi

Bathytroctes breviceps

Dolichopteryx binocularis

Holtbyrnia ophiocephala

Salmon smooth-head

Snubnose blacksmelt

Krefft's smooth-head

Holtbyrnia conocephala

Fiolenti's smooth-head

Bathylagus niger

Maulisia acuticeps

Threadfin smooth-head

Mentodus perforatus

Bathylagichthys longipinnis

Rouleina watasei

Blackhead salmon

Mentodus crassus

Bathytroctes squamosus

Leptoderma affinis

Bathytroctes macrognathus

Schnakenbeck's searsid

Searsioides multispinus

Longsnout blacksmelt

Holtbyrnia laticauda

Elongate smooth-head

California smoothtongue

Mentodus longirostris

Bathylaco nielseni

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 .

Rouleina nuda

Binghamichthys aphos

Narcetes erimelas

Bajacalifornia microstoma

Legless searsid

Smallscale smooth-head

Rouleina eucla

Nansenia iberica

Bajacalifornia aequatoris

Bruce's argentine

Agassiz' smooth-head

Bathytroctes elegans

Dolichopteryx brachyrhynchus

Teardrop tubeshoulder

Conocara kreffti

Blackchin blacksmelt

Palegold searsid

Bathylagoides argyrogaster

Order Perciformes

Seleniolycus robertsi

Gaper

Pseudoscopelus scutatus

Melanostigma inexpectatum

Trewavas croaker

Lycodapus microchir

Pseudoscopelus microps

Pseudoscopelus aphos

Lycodapus

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.

Kali macrura

Black swallower

Bathyclupea megaceps

Paracaristius maderensis

Howella zina

Seleniolycus laevifasciatus

Pseudoscopelus pierbartus

Melanostigma vitiazi

Melanostigma bathium

Bigtooth eelpout

Pseudoscopelus cephalus

Malakichthys mochizuki

Thinlip splitfin

Plectranthias robertsi

Ariommid

Kali indica

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

Platyberyx opalescens

Bathyclupea hoskynii

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

Kali normani

Plectranthias pallidus

Malakichthys barbatus

Bathyclupea argentea

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

Caristius groenlandicus

Seleniolycus pectoralis

Pseudoscopelus sagamianus

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.

Atrobucca geniae

Pale eelpout

Pseudoscopelus lavenbergi

Bothrocara nyx

Lycenchelys imamurai

Cutlassfish

Barracuda cardinalfish

Pseudoscopelus altipinnis

Malakichthys similis

Kali macrodon

Deepsea herring

Dysalotus oligoscolus

Paracaristius heemstrai

Sherborn's cardinalfish

Pachycara dolichaulus

Pseudoscopelus parini

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

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.

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

Gulper

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

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

Bigscale

Ridgehead

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.

Malacosarcus macrostoma

Scopeloberyx microlepis

Scopelogadus unispinis

Large-headed midnight fish

Abyssoberyx levisquamosus

Order Stomiiformes

Leptostomias robustus

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.

Sladen's hatchet fish

Eustomias monoclonoides

Chauliodus pammelas

Argyripnus pharos

Maurolicus stehmanni

Astronesthes indopacificus

Benttooth bristlemouth

Pacific astronesthid fish

Eustomias cirritus

Melanostomias pollicifer

Stomias danae

Astronesthes karsteni

Eustomias braueri

Torpedo dragonfish

Melanostomias globulifer

Eustomias mesostenus

Sternoptyx pseudodiaphana

Opostomias micripnus

Maurolicus kornilovorum

Snaggletooth

Eustomias bibulboides

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.

Sparing

Eustomias tomentosis

Maurolicus australis

Astronesthes decoratus

Eustomias satterleei

Eustomias aequatorialis

Astronesthes

Photonectes margarita

Eustomias interruptus

Shortbarbel dragonfish

Slender bristlemouth

Borostomias elucens

Astronesthes similus

Photonectes albipennis

Aristostomias lunifer

Garrick

Astronesthes martensii

Eustomias cryptobulbus

Eustomias pacificus

Leptostomias longibarba

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.

Pachystomias microdon

Maurolicus parvipinnis

Astronesthes illuminatus

Scaly dragonfish

Astronesthes lampara

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 bimargaritoides

Eustomias medusa

Hatchetfish

Bathophilus irregularis

Eustomias vitiazi

Maurolicus inventionis

Pacific blackdragon

Elongated bristlemouth fish

Thorophos nexilis

Astronesthes formosana

Eustomias austratlanticus

Bulldog lightfish

Photostomias goodyeari

Eustomias lanceolatus

Bathophilus brevis

Eustomias spherulifer

Astronesthes bilobatus

Panama snaggletooth

Astronesthes tatyanae

Photonectes gracilis

Eustomias ignotus

Odontostomias micropogon

Polyipnus meteori

Diplophos pacificus

Eustomias quadrifilis

Eustomias patulus

Slender fangjaw

Black-belly dragonfish

Threelight dragonfish

Melanostomias stewarti

Eustomias monoclonus

Chauliodus schmidti

Sternoptyx obscura

Maurolicus walvisensis

Eustomias brevibarbatus

Grammatostomias flagellibarba

Melanostomias melanopogon

Maurolicus mucronatus

Astronesthes gudrunae

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

Maurolicus breviculus

Astronesthes dupliglandis

Eustomias ioani

Valenciennellus carlsbergi

Bathophilus altipinnis

Eustomias schiffi

Eustomias albibulbus

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

Photonectes parvimanus

Cyclothone pygmaea

Borostomias mononema

Astronesthes splendida

Aristostomias polydactylus

Eustomias gibbsi

Eustomias posti

Margrethia valentinae

Leptostomias multifilis

Half-naked hatchetfish

Eustomias minimus

Chauliodus minimus

Argyripnus iridescens

Astronesthes leucopogon

Eustomias cancriensis

Melanostomias nigroaxialis

Eustomias bituberoides

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.

Gonostoma longipinnis

Thysanactis dentex

Eustomias melanostigmoides

Astronesthes galapagensis

Vinciguerria mabahiss - Vinciguerria mabahiss is a species of Vinciguerria.

Scaleless black dragonfish

Eustomias tetranema

Astronesthes chrysophekadion

Astronesthes trifibulatus

Photonectes leucospilus

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

Eustomias dispar

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

Eustomias paxtoni

Scaly dragonfish

Cyclothone parapallida

Bonapartia pedaliota

Astronesthes quasiindicus

Photonectes achirus

Aristostomias grimaldii

Deep-water bristlemouth

Astronesthes macropogon

Eustomias crossotus

Valdivia black dragon fish

Eustomias multifilis

Chauliodus vasnetzovi - Viperfish