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.
Common Archerfish
A deep-bodied, silvery fish famed for spitting jets of water to knock insects off overhanging vegetation into the water.
brackish
Pike Livebearer
A large, elongated predatory livebearer from Central America with a pike-like head and mouth built for ambushing small fish.
freshwater
Black Jack
The Black Jack is a large, uniformly dark trevally that forms big schools around offshore tropical reefs and current-swept drop-offs across the Indian, Pacific, and Atlantic Oceans.
reef
Golden Trevally
A bright golden-yellow jack, often banded as a juvenile, found around coral reefs and lagoons throughout the Indo-Pacific.
reef
Torpedo Ray
The largest of the electric rays, a powerful bottom-dweller capable of delivering an electric shock strong enough to stun sizeable fish.
cartilaginous
African Arowana
A large African bonytongue fish with a toothless, filter-feeding mouth adapted for straining plankton and detritus from floodplain waters.
freshwater
Stone Loach
The Stone Loach is a small, mottled bottom-dwelling fish common in clear European streams, often hiding under stones by day.
freshwater
Pygmy Corydoras
The Pygmy Corydoras is one of the smallest armored catfish species, a tiny schooling fish native to slow-moving tributaries of the Amazon basin.
freshwater
Pacific Blue-eye
A tiny, schooling fish common in coastal streams and estuaries of eastern Australia, easily recognized by its reflective, luminous blue eyes.
brackish
Giant Freshwater Stingray
One of the largest freshwater fish on Earth, a massive river-dwelling stingray capable of exceeding 2 meters across and hundreds of kilograms.
freshwater
Bronze Corydoras
A hardy, metallic-sheened armored catfish that forages along the substrate and is one of the most widely kept bottom-dwelling aquarium fish.
freshwater
Wideband Clownfish
A dark brown-to-black anemonefish with a single thick white band across the mid-body, restricted to temperate-edge reefs around Lord Howe Island, eastern Australia, and New Caledonia.
reef
Star Puffer
One of the largest pufferfish species, the star puffer is covered edge-to-edge in small black spots and roams Indo-Pacific reefs and lagoons feeding on sponges, tunicates, and hard-shelled prey.
reef
Pollock
A streamlined, greenish-bronze cod relative that schools around rocky reefs and wrecks in the northeastern Atlantic, told apart from cod by its protruding lower jaw and lack of a chin barbel.
saltwater
Poor Cod
The poor cod is a small, golden-brown Gadidae common around rocky reefs and harbors of the northeastern Atlantic and Mediterranean, identified by its short chin barbel and dark pectoral-fin blotch.
saltwater
Island Trevally
The Island Trevally is a deep-bodied jack found around Indo-Pacific reefs, recognized by faint yellow-orange spots scattered along its silvery flanks and a forked yellow tail.
reef
Dusky Grouper
The dusky grouper is a large, dark brownish-grey grouper native to rocky reefs of the Mediterranean and eastern Atlantic, once heavily depleted by spearfishing and now a conservation priority in parts of its range.
reef
Yellowbelly Damselfish
A small blue-grey damselfish with a bright yellow underside, found sheltering around coral and rubble on shallow reefs of the western Pacific.
reef
Rosy Rockfish
A small, brightly colored rockfish with rose-pink coloring and dark saddle blotches, found on rocky reefs along the California coast.
saltwater
Star Drum
One of the smallest drums in the western Atlantic, an elongated silvery fish often found in dense schools over soft coastal bottoms.
saltwater
Seahorse
An unmistakable upright-swimming fish with a horse-like head and curled prehensile tail, notable for males carrying and giving birth to offspring.
reef
Lumpsucker
A rounded, ball-shaped North Atlantic fish with rough tuberculate skin and a ventral sucker disc used to cling to rocks and kelp.
saltwater
King Mackerel
A large, streamlined mackerel of the warm western Atlantic, prized as a fast offshore game fish and recognizable by its silvery, unmarked body.
pelagic
Cobia
A large, elongated, shark-like fish that roams warm coastal waters worldwide and often follows rays, turtles, and floating structure.
pelagic