Antonyms:

acanthopterygian, spiny-finned fish

a teleost fish with fins that are supported by sharp inflexible rays

types:

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Ostariophysi, order Ostariophysi

in some classifications considered a superorder comprising the Cypriniformes and the Siluriformes

cypriniform fish

a soft-finned fish of the order Cypriniformes

catfish, siluriform fish

any of numerous mostly freshwater bottom-living fishes of Eurasia and North America with barbels like whiskers around the mouth

gadoid, gadoid fish

a soft-finned fish of the family Gadidae

eel

voracious snakelike marine or freshwater fishes with smooth slimy usually scaleless skin and having a continuous vertical fin but no ventral fins

Gonorhynchus gonorhynchus, beaked salmon, sandfish

fish of sandy areas of western Pacific and Indian oceans having an angular snout for burrowing into sand

clupeid, clupeid fish

any of numerous soft-finned schooling food fishes of shallow waters of northern seas

anchovy

small herring-like plankton-eating fishes often canned whole or as paste; abundant in tropical waters worldwide

salmonid

soft-finned fishes of cold and temperate waters

whitefish

silvery herring-like freshwater food fish of cold lakes of the northern hemisphere

smelt

small trout-like silvery marine or freshwater food fishes of cold northern waters

Tarpon atlanticus, tarpon

large silvery game fish of warm Atlantic coastal waters especially off Florida

Albula vulpes, bonefish

slender silvery marine fish found in tropical mud flats and mangrove lagoons

argentine

any of various small silver-scaled salmon-like marine fishes

lanternfish

small fish having rows of luminous organs along each side; some surface at night

lizardfish, snake-fish, snakefish

tropical fishes with large mouths in lizard-like heads; found worldwide

greeneye

bottom-dwellers having large eyes with metallic green luster

lancet fish, lancetfish, wolffish

large elongate scaleless oceanic fishes with sharp teeth and a long dorsal fin that resembles a sail

handsaw fish

a soft-finned fish of the genus Alepisaurus

Lampris regius, moonfish, opah

large elliptical brightly colored deep-sea fish of Atlantic and Pacific and Mediterranean

Lampris guttatus, New World opah

from Nova Scotia to West Indies and Gulf of Mexico

ribbonfish

marine fish having a long compressed ribbonlike body

Regalecus glesne, king of the herring, oarfish, ribbonfish

thin deep-water tropical fish 20 to 30 feet long having a red dorsal fin

loach

slender freshwater fishes of Eurasia and Africa resembling catfishes

cyprinid, cyprinid fish

soft-finned mainly freshwater fishes typically having toothless jaws and cycloid scales

Electrophorus electric, electric eel

eel-shaped freshwater fish of South America having electric organs in its body

catostomid

a cypriniform fish of the family Catostomidae

cyprinodont

any member of the family Cyprinodontidae

live-bearer, poeciliid, poeciliid fish, topminnow

small usually brightly-colored viviparous surface-feeding fishes of fresh or brackish warm waters; often used in mosquito control

silurid, silurid fish

Old World freshwater catfishes having naked skin and a long anal fin more or less merged with the eellike caudal fin

bullhead, bullhead catfish

any of several common freshwater catfishes of the United States

Ictalurus punctatus, channel cat, channel catfish

freshwater food fish common throughout central United States

Pylodictus olivaris, flathead catfish, goujon, mudcat, shovelnose catfish, spoonbill catfish

large catfish of central United States having a flattened head and projecting jaw

armored catfish

South American catfish having the body covered with bony plates

sea catfish

any of numerous marine fishes most of which are mouthbreeders; not used for food

cod, codfish

major food fish of Arctic and cold-temperate waters

Gadus merlangus, Merlangus merlangus, whiting

a food fish of the Atlantic waters of Europe resembling the cod; sometimes placed in genus Gadus

Melanogrammus aeglefinus, haddock

important food fish on both sides of the Atlantic; related to cod but usually smaller

Pollachius pollachius, pollack, pollock

important food and game fish of northern seas (especially the northern Atlantic); related to cod

hake

any of several marine food fishes related to cod

Molva molva, ling

elongated marine food fish of Greenland and northern Europe; often salted and dried

Brosme brosme, cusk, torsk

large edible marine fish of northern coastal waters; related to cod

grenadier, rattail, rattail fish

deep-sea fish with a large head and body and long tapering tail

elver

young eel

common eel, freshwater eel

eels that live in fresh water as adults but return to sea to spawn; found in Europe and America; marketed both fresh and smoked

Anguilla sucklandii, tuna

New Zealand eel

moray, moray eel

family of brightly colored voracious eels of warm coastal waters; generally nonaggressive to humans but larger species are dangerous if provoked

conger, conger eel

large dark-colored scaleless marine eel found in temperate and tropical coastal waters; some used for food

shad

herring-like food fishes that migrate from the sea to fresh water to spawn

Alosa pseudoharengus, Pomolobus pseudoharengus, alewife

shad-like food fish that runs rivers to spawn; often salted or smoked; sometimes placed in genus Pomolobus

Brevoortia tyrannis, menhaden

shad-like North American marine fishes used for fish meal and oil and fertilizer

Clupea harangus, herring

commercially important food fish of northern waters of both Atlantic and Pacific

sardine

any of various small edible herring or related food fishes frequently canned

Sardina pilchardus, pilchard, sardine

small fishes found in great schools along coasts of Europe; smaller and rounder than herring

Engraulis encrasicholus, mediterranean anchovy

esteemed for its flavor; usually preserved or used for sauces and relishes

salmon

any of various large food and game fishes of northern waters; usually migrate from salt to fresh water to spawn

trout

any of various game and food fishes of cool fresh waters mostly smaller than typical salmons

char, charr

any of several small trout-like fish of the genus Salvelinus

Coregonus clupeaformis, lake whitefish

found in the Great Lakes and north to Alaska

Coregonus artedi, cisco, lake herring

important food fish of cold deep lakes of North America

Menominee whitefish, Prosopium cylindraceum, round whitefish

a whitefish with a bronze back; of northern North America and Siberia

Prosopium williamsonii, Rocky Mountain whitefish

whitefish of the western United States and Canada

Osmerus mordax, rainbow smelt

important marine and landlocked food fish of eastern North America and Alaska

European smelt, Osmerus eperlanus, sparling

the common smelt of Europe

capelan, capelin, caplin

very small northern fish; forage for sea birds and marine mammals and other fishes

Elops saurus, ladyfish, tenpounder

game fish resembling the tarpon but smaller

Trachipterus arcticus, dealfish

deep-sea ribbonfish

characid, characin, characin fish

any freshwater fish of the family Characinidae

type of:

teleost, teleost fish, teleostan

a bony fish of the subclass Teleostei