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Fish

Every fish on the site, including sharks and rays, seahorses, eels and the air-breathing lungfish and mudskipper.

Whales, dolphins, starfish and jellyfish are not fish, and you'll find them on the Mammals and Other invertebrates lists.

43 animals, A to Z.

• 🐟AnchovyMore than 140 species of small, silvery-green schooling fish of the Atlantic, Indian and Pacific Oceans, the Mediterranean and the Black Sea; a few live in South American rivers.
• 🐠AngelfishThree species of tall, flat, freshwater cichlids from the Amazon, the Orinoco and rivers of the Guiana Shield in South America.
• 🐾AnglerfishFish that lure prey with a modified fin ray on the head, tipped with a lure that glows in some species.
• 🐟BarracudaAbout 26 species of long, silvery predatory fish with fang-like teeth and an underbite, found in tropical and subtropical oceans worldwide, near the surface, coral reefs and seagrass.
• 🐟BassThe largemouth bass, an olive-green freshwater fish with a dark, jagged stripe along each side, native to the eastern and central US, south-eastern Canada and northern Mexico.
• 🐾BlobfishThe smooth-head blobfish, a deep-sea fish of the waters off Australia, Tasmania and New Zealand, usually under 30 cm long.
• 🐟CarpThe common carp is a large freshwater fish of lakes and rivers in Europe and Asia.
• 🐟CatfishA huge, varied order of fish named for their whisker-like barbels.
• 🐠ClownfishSmall reef fish of the warm Indo-Pacific that live among sea anemones, sheltered by the stinging tentacles.
• 🐟CodThe Atlantic cod is a large, brown or green spotted fish of the North Atlantic, one of the most widely eaten fish in the world.
• 🐾CoelacanthA lobe-finned fish more closely related to lungfish and land vertebrates than to most fish.
• 🐍EelAbout 1,000 species of long, snake-like fish, mostly marine.
• 🐾Electric eelNocturnal freshwater fish of South America that stun prey with electric shocks.
• 🐠GoldfishA small freshwater carp native to China, first bred for colour there over 1,000 years ago and now one of the most popular aquarium fish.
• 🐠GuppyA small freshwater fish from north-east South America that gives birth to live young.
• 🐾HagfishEel-shaped, jawless sea fish, usually about 50 cm long and dull pink to blue-grey, with loose skin and no true fins.
• 🐟HalibutThree species of large flatfish of the North Atlantic, North Pacific and Arctic: the Atlantic, Pacific and Greenland halibut.
• 🐟HerringOily forage fish that travel in huge schools through the shallow, temperate waters of the North Atlantic and North Pacific, including the Baltic Sea.
• 🐠LionfishVenomous reef fish of the Indo-Pacific with bold red, brown or black and white stripes and long, fan-like fins tipped with venomous spines.
• 🐾LungfishSix species of air-breathing freshwater fish in Africa, South America and Australia, the closest living relatives of land vertebrates.
• 🐾Manta rayThree species of huge rays of warm seas, with triangular fins and horn-shaped flaps by the mouth.
• 🐟MarlinLarge ocean predators with a spear-like bill and a long, rigid dorsal fin.
• 🐾Moray eelAbout 200 species of eels found worldwide, almost all marine.
• 🐾MudskipperAbout 25 species of amphibious gobies that live on tropical mudflats and in mangroves, spending much of their time out of water.
• 🐾OarfishThree species of very long, ribbon-shaped silver fish with a red crest and a dorsal fin running the whole length of the body.
• 🐠ParrotfishAbout 95 species of brightly coloured reef fish whose teeth are fused into a parrot-like beak, most diverse in the Indo-Pacific.
• 🐾Pelican eelA deep-sea eel of temperate and tropical oceans, living 500–3,000 m down, with a loosely hinged mouth much larger than its body.
• 🐟PiranhaFreshwater fish of South American rivers and floodplains with razor-sharp teeth.
• 🐡PufferfishFish that puff up into a ball when threatened.
• 🐟SailfishA blue-grey billfish of the open ocean, named for the huge dorsal fin that runs almost the whole length of its back.
• 🐟SalmonFish that hatch in rivers, go to sea to grow, then return to fresh water to spawn, usually in the stream where they hatched.
• 🐾SawfishVery large rays with a long, flat snout lined with teeth like a saw.
• 🐾SeadragonThe leafy seadragon, a relative of the seahorse covered in leaf-like lobes of skin that make it look like floating seaweed.
• 🐠SeahorseSmall bony fish, 47 species, named for their horse-like head and neck.
• 🦈SharkCartilaginous fish with five to seven gill slits on each side and rows of replaceable teeth.
• 🐾StingrayAbout 220 species of flat, cartilaginous fish with a venomous barbed stinger on the tail.
• 🐾StonefishVenomous reef fish of the coastal Indo-Pacific, grey and mottled so they look like a stone or a lump of coral.
• 🐟SturgeonThe Atlantic sturgeon, a big bottom-feeding fish armoured with five rows of bony plates instead of true scales.
• 🐟SwordfishA large, migratory predatory fish with a long, flat, pointed bill.
• 🐟TroutFreshwater fish closely related to salmon.
• 🐟TunaFifteen species of fast, streamlined ocean predators in the mackerel family.
• 🐠WrasseOver 600 species of often brightly coloured sea fish with thick lips.
• 🐠ZebrafishA small striped minnow from fresh water in South Asia, sold as the zebra danio and widely used in lab research.

How each answer is decided: How we answer. Every animal, in one list: All animals.