Fish Identifier

Fish Encyclopedia

Search and identify 1,000+ fish species — freshwater, saltwater, reef, and pelagic — with habitat, size, diet, behavior, and how to tell them apart.

Cuckoo Catfish

Cuckoo Catfish

A spotted African catfish from Lake Tanganyika famous for a brood-parasitic strategy in which it sneaks its own eggs into the mouths of incubating cichlids.

freshwater
Emperor Killifish

Emperor Killifish

Emperor Killifish is an alternate name for the Blue Gularis, one of the largest and most dramatically finned West African killifish, with males sporting an elongated lyre-shaped tail.

freshwater
European Anchovy

European Anchovy

A slender, small-bodied schooling fish with a distinctive pointed snout and underslung mouth, found in enormous shoals along European and North African coasts and throughout the Mediterranean.

pelagic

Blue Gularis

One of the largest African killifish, males display an elongated lyre-shaped tail and vivid blue-green body with red barring, native to Nigerian and Cameroonian wetlands.

freshwater
Bichir

Bichir

The bichir is a primitive, air-breathing freshwater fish of African rivers and swamps, genus Polypterus, known for its snake-like armored body and spiny dorsal finlets.

freshwater
Rock Goby

Rock Goby

A small, mottled goby common in rocky tide pools along European and North African coasts, easily spotted darting between rocks at low tide.

saltwater
Ornate Bichir

Ornate Bichir

A striking Central African freshwater fish with an eel-like body covered in an intricate leopard-spot network pattern and a row of spiny finlets along its back.

freshwater
Steel-blue Killifish

Steel-blue Killifish

A small, brightly colored West African killifish with a metallic blue body, red spotting, and an elongated lyre-shaped tail. It inhabits swamps and forest streams in Nigeria and Cameroon.

freshwater
Nile Tilapia

Nile Tilapia

A deep-bodied African cichlid with bold stripes on its tail fin, the Nile tilapia is one of the world's most widely distributed freshwater fish through aquaculture and introductions.

freshwater
Clown Killifish

Clown Killifish

A tiny, torpedo-shaped killifish from West African rainforest streams, patterned with alternating black and cream bands and a fiery red-and-blue tail resembling a tiny rocket.

freshwater
Lyretail Killifish

Lyretail Killifish

A slender, non-annual West African killifish named for the male's elegant lyre-shaped tail, ranging in color from golden-orange to deep red across its native populations.

freshwater
Gardner's Killifish

Gardner's Killifish

A small, brilliantly colored non-annual killifish from West African forest streams, with males showing an iridescent steel-blue body dotted with red spots and a lyre-shaped tail.

freshwater
Mulloway

Mulloway

A large, powerful drum found around Australia, South Africa, and parts of Asia, known for its silvery body, bronze sheen, and impressive size.

saltwater
Palon Killifish

Palon Killifish

A small East African annual killifish in the genus Nothobranchius, with males displaying coppery orange-red coloring and blue speckling. It inhabits temporary coastal pools tied to seasonal rains.

freshwater
Coelacanth

Coelacanth

The coelacanth is an ancient, deep-dwelling lobe-finned fish once known only from fossils, famously rediscovered alive off South Africa in 1938.

deepsea
Chocolate Australe

Chocolate Australe

A brown color form of the lyretail panchax, a small West-Central African killifish with fine carmine spotting and an elongated lyre-shaped tail. It lives in shaded forest streams near Gabon's coast.

freshwater
Redtail Notho

Redtail Notho

A small East African annual killifish from Zanzibar, prized for the male's vivid red, black-edged tail. It lives in temporary rain pools and survives the dry season as drought-resistant eggs buried in mud.

freshwater
Undulate Ray

Undulate Ray

A patterned skate marked with wavy dark bands across its back, found on sandy and rocky bottoms from the English Channel to the Mediterranean and West Africa.

cartilaginous
Ringtail Surgeonfish

Ringtail Surgeonfish

A blue-grey Indo-Pacific tang identified by the narrow white ring encircling its tail base; common on coral and rocky reefs from East Africa to Hawaii.

reef
Twaite Shad

Twaite Shad

A slender anadromous herring relative found along European and North African coasts, the Twaite Shad migrates into estuaries and rivers to spawn and is distinguished from the Allis Shad by its row of dark flank spots.

brackish
Leerfish

Leerfish

A powerful surf-zone predator of the eastern Atlantic and Mediterranean, known as garrick in South Africa and unique among jacks for its smooth, scute-free lateral line.

pelagic
Mozambique Tilapia

Mozambique Tilapia

A hardy, deep-bodied cichlid native to southeastern Africa, the Mozambique tilapia tolerates a huge range of salinities and temperatures and has become one of the world's most widely introduced freshwater fish.

freshwater
Mbu Pufferfish

Mbu Pufferfish

The Mbu Pufferfish is the largest freshwater pufferfish species, native to Central Africa's Congo River system and known for its maze-like yellow body markings.

freshwater
Turquoise Killifish

Turquoise Killifish

A vividly colored annual killifish from southeastern Africa's temporary pools, notable for having the shortest lifespan of any known vertebrate, typically just a few months in the wild.

freshwater