Bathypelagic fish - Fish living in the bathypelagic environment

Stemonosudis elegans

Fierce pike smelt

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

Scopelosaurus gibbsi

Evermannella megalops

Ahliesaurus brevis

White barracudina

Benthalbella macropinna

Naked barracuda

Macroparalepis longilateralis

Sharpchin barracudina

Stemonosudis siliquiventer

Chubby pearleye

Scopelarchoides kreffti

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

Uncisudis posteropelvis

Bigfin pearleye

Atlantic sabretooth

Lestidiops extrema

Scopelarchoides climax

Stemonosudis gracilis

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

Hoplostethus crassispinus

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

Paperbones

Scopelosaurus mauli

Pearleye

Order Beryciformes

Slimy head

Hoplostethus fedorovi

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

Longwing spinyfin

Hoplostethus tenebricus

Atlantic roughy

Hoplostethus marisrubri

Paratrachichthys sajademalensis

Hoplostethus rubellopterus

Hoplostethus metallicus

Hoplostethus fragilis

Hoplostethus abramovi

Aulotrachichthys latus

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.

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.

Parin's spiny fin

Hoplostethus shubnikovi

Hoplostethus mikhailini

Flintperch

Hoplostethus confinis

Aulotrachichthys prosthemius

Paratrachichthys fernandezianus

Hoplostethus rifti

Order Carcharhiniformes

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.

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.

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.

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.

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.

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.

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.

Order Cetomimiformes

Cetomimus kerdops

Savage's birdsnouted whalefish

Gyrinomimus bruuni

Cetomimus gillii

Gyrinomimus simplex

Parataeniophorus brevis

Pink flabby whalefish

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

Whalefish

Danacetichthys galathenus

Parataeniophorus gulosus

Festive ribbonfish

Cetomimus teevani

Megalomycter teevani

Trunov southern cetomimid

Cetichthys parini

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

Ditropichthys storeri

Ataxolepis henactis

Procetichthys kreffti

Gyrinomimus myersi

Order Chimaeriformes

Gal

Hydrolagus lusitanicus

Order Gadiformes

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.

Bluntsnout grenadier

Coelorinchus nazcaensis

Bathypelagic rattail

Tripterophycis svetovidovi

Myers' grenadier

Coryphaenoides grahami

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

Globehead grenadier

Dusky rattail

Striped codlet

Hymenocephalus striatulus

Macrouroides inflaticeps

Kumba punctulata

Bluntnose grenadier

Coryphaenoides spinulosus

Smallhead moray cod

Kumba gymnorhynchus

Threadfin grenadier

Mediterranean grenadier

Trachonurus sentipellis

Physiculus sazonovi

Slendertail grenadier

Carmine grenadier

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.

Physiculus longifilis

Laemonema melanurum

Ventrifossa paxtoni

Hymenocephalus barbatulus

Kumba maculisquama

Guttigadus nudicephalus

Kaiwi Channel grenadier

Coelorinchus trunovi

Berry's grenadier

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.

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

Nezumia cyrano

Coryphaenoides macrolophus

Doublethread grenadier

Physiculus peregrinus

Sphagemacrurus pumiliceps

Coryphaenoides camurus

Coelorinchus melanosagmatus

Finescale mora

Coryphaenoides striaturus

Hymenocephalus antraeus

Gadomus multifilis

Coryphaenoides microps

Rhynchogadus hepaticus

Grenadier

Bristly grenadier

Gadella brocca

Physiculus therosideros

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

Narrowsnout grenadier

Physiculus nigriscens

Bighead mora

Echinomacrurus mollis

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

Kumba musorstom

Coelorinchus vityazae

Coryphaenoides semiscaber

Muraenolepis andriashevi

Kumba calvifrons

Blunt-nosed grenadier

Gadomus capensis

Squalogadus modificatus

Naked snout rattail

Coryphaenoides mcmillani

Physiculus roseus

Sturgeon-like grenadier fish

Sphagemacrurus richardi

Bighead grenadier

Dogtooth grenadier

Bathygadus spongiceps

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.

Taper-tail ribbonfish

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

Regalecus russelii

Southern ribbonfish

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

Crested oarfish

Dealfish

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

Order Lophiiformes

Acentrophryne longidens

Dolopichthys pullatus

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

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

Himantolophus borealis

Nightmare dreamer

Linophryne parini

Oneirodes thysanema

Linophryne escaramosa

Bulbous dreamer

Oneirodes alius

Oneirodes sabex

Danaphryne nigrifilis

Linophryne bipennata

Pietschichthys horridus

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

Gigantactis microphthalmus

Torpedo batfish

Himantolophus paucifilosus

Oneirodes pietschi

Linophryne andersoni

Bufoceratias shaoi

Gigantactis longicauda

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

Himantolophus macroceratoides

Oneirodes melanocauda

Himantolophus cornifer

Oneirodes heteronema

Linophryne quinqueramosa

Gigantactis golovani

Dolopichthys jubatus

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 cristatus

Linophryne macrodon

Stargazing seadevil

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

Oneirodes basili

Rhynchactis microthrix

Oneirodes theodoritissieri

Linophryne densiramus

Oneirodes pterurus

Linophryne argyresca

Caulophryne pietschi

Cosmopolitan whipnose

Himantolophus multifurcatus

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

Atlantic footballfish

Oneirodes macronema

Linophryne trewavasae

Linophryne pennibarbata

Gigantactis gargantua

Murray's abyssal anglerfish

Himantolophus brevirostris

Oneirodes flagellifer

Photocorynus spiniceps - The known mature male individuals are 6.

Oneirodes anisacanthus

Rhynchactis leptonema

Oneirodes schistonema

Linophryne brevibarbata

Gigantactis paxtoni

Himantolophus pseudalbinares

Oneirodes plagionema

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 mauli

Oneirodes micronema

Bufoceratias thele

Phyllorhinichthys balushkini - P.

Gigantactis longicirra

Acentrophryne dolichonema

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

Himantolophus crinitus

Oneirodes kreffti

Short-rod anglerfish

Linophryne racemifera

Gigantactis gracilicauda

Dolopichthys karsteni

Gigantactis balushkini

Melanocetus eustalus

Himantolophus azurlucens

Oneirodes dicromischus

Tyrannophryne pugnax - The most distinctive feature of T.

Linophryne maderensis

Linophryne digitopogon

Pentherichthys venustus

Chirophryne xenolophus

Haplophryne triregium

Oneirodes bradburyae

Spiny dreamer

Oneirodes rosenblatti

Linophryne bicornis

Caulophryne polynema

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

Gigantactis watermani

Gigantactis microdontis

Chaenophryne ramifera

Plainchin dreamarm

Himantolophus nigricornis

Smooth anglerfish

Linophryne algibarbata

Diceratias trilobus

Gigantactis kreffti

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

Himantolophus macroceras

Oneirodes macrosteus

Ctenochirichthys longimanus

Himantolophus compressus

Oneirodes haplonema

Himantolophus albinares

Oneirodes clarkei

Linophryne lucifer

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.

Oneirodes appendixus

Rhynchactis macrothrix

Himantolophus melanolophus

Oneirodes mirus

Whalehead dreamer

Bufoceratias wedli

Phyllorhinichthys micractis - P.

Gigantactis macronema

Smooth dreamer

Order Myctophiformes

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.

Lampanyctus turneri

Short-headed lantern fish

Andersen's lantern fish

Bolinichthys nikolayi

Symbolophorus rufinus

Lampanyctus hubbsi

Skinnycheek lanternfish

Spothead lantern fish

Nannobrachium indicum

Pig-headed lantern fish

Longfin lanternfish

Mirror lanterfish

Protomyctophum bolini

Electron subantarctic

Diaphus lobatus

Doflein's false headlightfish

Nannobrachium cuprarium

Diaphus garmani

Spiny lantern fish

Diaphus trachops

Metelectrona ventralis

Gymnoscopelus fraseri

Longfin lampfish

Taaningichthys minimus

Nannobrachium phyllisae

Neoscopelus microchir

Gilbert's large lantern fish

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

Triphoturus oculeum

Protomyctophum gemmatum

Lobisomem

Diaphus jenseni

Nannobrachium bristori

Protomyctophum andriashevi

Taaning's lantern fish

Golden-nosed lantern fish

Tarletonbeania taylori

Diaphus faustinoi

Spotted laternfish

Nannobrachium wisneri

Krefftichthys anderssoni

Protomyctophum parallelum

Lampanyctus iselinoides

Smallfin lanternfish

Thickhead lanternfish

Lampadena urophaos atlantica

Protomyctophum chilense

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.

Gymnoscopelus hintonoides

Lampanyctus tenuiformis

Taaningichthys paurolychnus

Slendertail lanternfish

Rakery beaconlamp

Evermann's lantern fish

Spinycheek lanternfish

Diaphus megalops

Nannobrachium idostigma

Gymnoscopelus opisthopterus

Protomyctophum luciferum

Nannobrachium crypticum

Wisner's lantern fish

Diaphus thiollierei

Fragile lantern fish

Metelectrona ahlstromi

Diaphus dahlgreni

Myctophum lychnobium

Diaphus similis

Gymnoscopelus braueri

Lampanyctus simulator

Large-scaled lantern fish

Diaphus arabicus

Reinhardt's lantern fish

Transparent lantern fish

Black lantern fish

Gonichthys barnesi

Brokenline lanternfish

Chubby flashlightfish

Order Notacanthiformes

Bonapart's spiny eel

Halosaurus sinensis

Aldrovandia rostrata

Polyacanthonotus africanus

Halosaur

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

Notacanthus indicus

Halosaurus attenuatus

Longnose tapirfish

Aldrovandia oleosa

Halosaurus parvipennis

Halosaurus carinicauda

Order Ophidiiformes

Violet cuskeel

Apagesoma delosommatus

Barathronus parfaiti

Barathronus bicolor

Thalassobathia nelsoni

Bony-eared assfish

Aphyonus bolini

Parabrotula plagiophthalmus

Lamprogrammus niger

Barathronus multidens

Brotulotaenia nielseni

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

Apagesoma edentatum

Two-spined slopebrotula

Aphyonus brevidorsalis

Parabrotula tanseimaru

Brotulotaenia brevicauda

Bassozetus zenkevitchi

Barathronus pacificus

Brotulotaenia nigra

Barathrites parri

Marshall slopebrotula

Alcockia rostrata

Leucobrotula adipata

Barathronus diaphanus

Order Osmeriformes

Bigeye smooth-head

Conocara kreffti

Madeiran smooth-head

Michael Sars smooth-head

Nansenia tenuicauda

Greenland argentine

Dolichopteryx trunovi

Softskin smooth-head

Bathytroctes breviceps

Mentodus eubranchus

Snubnose blacksmelt

Holtbyrnia ophiocephala

Dolichopteryx binocularis

Holtbyrnia conocephala

Maulisia acuticeps

Bathylagichthys longipinnis

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.

Bathytroctes squamosus

Bathytroctes macrognathus

Searsioides multispinus

California smoothtongue

Holtbyrnia laticauda

Schnakenbeck's searsid

Bathylagus borealis

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

Barbantus elongatus

Vaillant's smooth-head

Loosescale smooth-head

Bathylaco nielseni

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

Narcetes erimelas

Bajacalifornia microstoma

Longfin smooth-head

Rouleina nuda

Norman's smooth-head

Smallscale smooth-head

Bathytroctes elegans

Asquamiceps caeruleus

Nansenia iberica

Bajacalifornia aequatoris

Robust blacksmelt

Antillean smooth-head

Rouleina eucla

Mentodus facilis

Dolichopteryx brachyrhynchus

Palegold searsid

Pygmy argentine

Leptoderma retropinna

Blackchin blacksmelt

Teardrop tubeshoulder

Shining tubeshoulder

Koefoed's searsid

Bathylagoides argyrogaster

Bathytroctes zugmayeri

Salmon smooth-head

Bajacalifornia erimoensis

Normichthys yahganorum

Fiolenti's smooth-head

Threadfin smooth-head

Rouleina livida

Koefoed's smooth-head

Nansenia sanrikuensis

Bluethroat argentine

Dolichopteryx rostrata

Mentodus perforatus

Dolichopteryx anascopa

Mentodus crassus

Bathylagus tenuis

Streaklight tubeshoulder

Leptoderma affinis

Ghost smelt

Bighead searsid

Matsuichthys aequipinnis

Bathytroctes pappenheimi

Eared blacksmelt

Rouleina euryops

Bathytroctes inspector

Asquamiceps hjorti

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

Nansenia longicauda

Bajacalifornia arcylepis

Normichthys herringi

Hairfin smooth-head

Mentodus longirostris

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.

Nansenia ahlstromi

Dolichopteryx minuscula

Legless searsid

Maulisia isaacsi

Pacific black smelt

Holtbyrnia intermedia

Sagamichthys gracilis

Bathylagus andriashevi

Bruce's argentine

Werner's smooth-head

Winteria telescopa

Toothless smooth-head

Order Perciformes

Pseudoscopelus bothrorrhinos

Atlantic soft pout

Bathyclupea hoskynii

Cocoa snapper

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.

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.

Pseudoscopelus scutatus

Tonga escolar

Malakichthys barbatus

Pseudoscopelus microps

Melanostigma inexpectatum

Bathyclupea argentea

Longfin fathead

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.

Tasmanian ruffe

Seleniolycus pectoralis

Barracuda cardinalfish

Pseudoscopelus pierbartus

Melanostigma vitiazi

Malakichthys similis

Dysalotus oligoscolus

Pseudoscopelus cephalus

Melanostigma bathium

Deepsea herring

Paracaristius heemstrai

Pachycara dolichaulus

African barrelfish

Stubraker sculpin

Plectranthias robertsi

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

Kali indica

Platyberyx opalescens

Pseudoscopelus stellatus

Howella parini

Malakichthys levis

Escolar

Pseudoscopelus obtusifrons

Melanostigma orientale

Pseudoscopelus astronesthidens

Bathyclupea gracilis

Seleniolycus robertsi

Plectranthias pallidus

Trewavas croaker

Lycodapus

Kali colubrina

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.

Pseudoscopelus sagamianus

Caristius groenlandicus

Aethotaxis mitopteryx pawsoni

Pseudoscopelus lavenbergi

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

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

Bathyclupea megaceps

Paracaristius maderensis

Bothrocara nyx

Pseudoscopelus altipinnis

Cutlassfish

Seleniolycus laevifasciatus

Kali macrodon

Bigtooth eelpout

Sherborn's cardinalfish

Pseudoscopelus parini

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.

Malakichthys mochizuki

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

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

Saccopharynx thalassa

Monognathus nigeli

Saccopharynx harrisoni

Monognathus bruuni

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

Monognathus rosenblatti

Monognathus jesperseni

Saccopharynx paucovertebratis

Saccopharynx berteli

Monognathus bertini

Order Scorpaeniformes

Short-headed sculpin

Blackmouth rockfish

Multipore dwarf snailfish

Midwater scorpionfish

Stein's dwarf snailfish

Squaloliparis dentatus

Gelatinous dwarf snailfish

Careproctus marginatus

Genioliparis ferox

Marvelous dwarf snailfish

Paraliparis carlbondi

Edentoliparis terraenovae

Notoliparis antonbruuni

Icelus mandibularis

Deepwater rockfish - S.

Smalleye dwarf snailfish

Acantholiparis caecus

Sargasso dwarf snailfish

Genioliparis kafanovi

Paraliparis skeliphrus

Tadpole liparid

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.

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

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.

Etmopterus dislineatus - Reproduction is ovoviviparous.

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

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.

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.

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.

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 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.

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.

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

Order Stephanoberyciformes

Large-headed midnight fish

Scopeloberyx microlepis

Abyssoberyx levisquamosus

Ridgehead

Melamphaes macrocephalus

Melamphaes indicus

Ridgehead

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

Scopelogadus unispinis

Malacosarcus macrostoma

Order Stomiiformes

Astronesthes exsul

Maurolicus walvisensis

Sternoptyx obscura

Eustomias australensis

Bristlemouth

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

Astronesthes atlanticus

Eustomias problematicus

Borostomias pacificus

Grammatostomias flagellibarba

Photonectes caerulescens

Polyipnus inermis

Maurolicus mucronatus

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.

Maurolicus breviculus

Astronesthes indopacificus

Highfin dragonfish

Leptostomias robustus

Sladen's hatchet fish

Astronesthes leucopogon

Chauliodus pammelas

Bathophilus altipinnis

Eustomias cirritus

Melanostomias pollicifer

Argyripnus pharos

Eustomias monoclonoides

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

Margrethia valentinae

Astronesthes splendida

Stomias danae

Eustomias braueri

Melanostomias globulifer

Cyclothone pygmaea

Eustomias mesostenus

Astronesthes quasiindicus

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 tomentosis

Ichthyococcus parini

Eustomias bibulboides

Bristlemouth

Eustomias macronema

Astronesthes decoratus

Eustomias aequatorialis

Eustomias interruptus

Eustomias satterleei

Photonectes margarita

Maurolicus rudjakovi

Maurolicus javanicus

Gonostoma longipinnis

Photonectes albipennis

Aristostomias lunifer

Astronesthes macropogon

Scaleless black dragonfish

Leptostomias longibarba

Eustomias cryptobulbus

Eustomias pacificus

Astronesthes lamellosus

Hatchet fish - The Giant Hatchetfish or Greater Silver Hatchetfish a marine hatchetfish of the genus Argyropelecus, is found in every ocean except the north Pacific in deep tropical and subtropical waters.

Eustomias micropterygius

Astronesthes illuminatus

Astronesthes trifibulatus

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

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

Scaly dragonfish

Eustomias bulbornatus

Tentacle dragonfish

Scaly dragonfish

Eustomias bimargaritoides

Thorophos nexilis

Cyclothone parapallida

Astronesthes formosana

Pearlside

Highlight hatchetfish

Eustomias austratlanticus

Deep-water bristlemouth

Eustomias lanceolatus

Eustomias spherulifer

Bulldog lightfish

Photostomias goodyeari

Astronesthes bilobatus

Eustomias quadrifilis

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.

Bathophilus proximus

Eustomias ignotus

Bathophilus indicus

Heterophotus ophistoma

Eustomias digitatus

Eustomias patulus

Emperor seamount lightfish

Atlantic fangjaw

Pacific astronesthid fish

Chauliodus schmidti

Longfin dragonfish

Eustomias contiguus

Melanostomias stewarti

Threelight dragonfish

Eustomias monoclonus

Lovely hatchetfish

Astronesthes karsteni

Diplophos australis

Astronesthes tanibe

Stomias gracilis

Odontostomias masticopogon

Eustomias brevibarbatus

Melanostomias melanopogon

Eustomias metamelas

Yarrella argenteola

Astronesthes gudrunae

Cyclothone obscura

Astronesthes dupliglandis

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.

Ichthyococcus polli

Ebeling's fangjaw

Eustomias bifilis

Eustomias albibulbus

Benttooth bristlemouth

Eustomias ioani

Valenciennellus carlsbergi

Eustomias schiffi

Astronesthes similus

Photonectes parvimanus

Maurolicus stehmanni

Maurolicus kornilovorum

Torpedo dragonfish

Aristostomias polydactylus

Eustomias gibbsi

Opostomias micripnus

Eustomias posti

Borostomias mononema

Astronesthes martensii

Leptostomias multifilis

Eustomias curtatus

Triplophos hemingi

Astronesthes lampara

Half-naked hatchetfish

Slender snaggletooth

Eustomias cancriensis

Melanostomias nigroaxialis

Argyripnus iridescens

Shortbarbel dragonfish

Eustomias bituberoides

Eustomias melanostigmoides

Thysanactis dentex

Slender bristlemouth

Bigeye lightfish

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.

Manducus maderensis

Sonoda paucilampa

Araiophos eastropas

Astronesthes galapagensis

Eustomias tetranema

Lightfish

Loosejaw

Sternoptyx pseudodiaphana

Eustomias bertelseni

Garrick

Eustomias longiramis

Vinciguerria mabahiss - Vinciguerria mabahiss is a species of Vinciguerria.

Astronesthes chrysophekadion

Eustomias inconstans

Pachystomias microdon

Eustomias radicifilis

Photonectes leucospilus

Polyipnus soelae

Maurolicus parvipinnis

Elongated bristlemouth fish

Bathophilus irregularis

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

Maurolicus inventionis

Aristostomias grimaldii

Chauliodus vasnetzovi - Viperfish

Bathophilus brevis