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.
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
Mangrove Jack
A deep red Indo-Pacific snapper whose juveniles grow up in mangrove estuaries and rivers, tolerating salinities from freshwater to full seawater.
brackish
Leopard Bush Fish
A round-bodied Congo basin ambush predator patterned with dark leopard-like spots, prized in aquariums for its striking camouflage and air-breathing labyrinth organ.
freshwater
Princess Parrotfish
A Caribbean parrotfish whose blue-green terminal males show bright orange and blue face stripes over a green body.
reef
Horn Shark
A small, harmless bottom shark with heavy brow ridges and two sharp dorsal spines, common along the California coast.
cartilaginous
Japanese Halfbeak
A slim, silvery surface fish with a long lower jaw, common in coastal and brackish waters around Japan, Korea, and China.
brackish
Corkwing Wrasse
A small, colorful European wrasse identified by a dark comma-shaped spot behind the eye and a dark blotch on the tail base.
saltwater
Blue Parrotfish
An entirely blue Caribbean parrotfish, with large adult males developing a bulging forehead snout.
reef
Yellowtail Damselfish
A dark, deep-bodied Caribbean damselfish with a bright yellow tail, known for aggressively farming algae gardens.
reefWhite Weakfish
A slender, pale silvery-white weakfish common in estuaries and coastal lagoons along the South American Atlantic coast.
brackish
Ornate Butterflyfish
A showy Indo-Pacific butterflyfish with diagonal orange stripes across a white body and black-and-yellow face bands.
reef
Lemon Tetra
A pale yellow tetra from the Amazon basin, easily recognized by its lemon-tinted body and black-edged anal fin bordered in yellow.
freshwater
Kole Tang
A compact, striped surgeonfish with a golden eye-ring, using bristle-like teeth to sweep detritus from reef rock.
reef
Jackknife-fish
A boldly black-and-white striped reef drum with a dramatic, curved dorsal fin that resembles the blade of an open jackknife.
reef
Dwarf Lionfish
A compact, mottled lionfish with broad fan-like fins and venomous spines, ambushing prey on Indo-Pacific reefs.
reef
Delhezi Bichir
A boldly barred Congo Basin fish with a series of dark vertical bands along its yellow-tan body and a row of spiny finlets along its back.
freshwater
Weather Loach
An elongated, eel-shaped East Asian loach known for becoming unusually active before storms, a behavior tied to its sensitivity to changes in barometric pressure.
freshwater
Russian Sturgeon
The Russian sturgeon is a large, critically endangered anadromous fish of the Caspian, Black, and Azov Sea basins, known for its short blunt snout and robust armored body.
brackish
Redband Parrotfish
A small, variable Caribbean parrotfish; terminal males are green with a red band and a distinctive yellow-and-black shoulder spot.
reef
Pink Skunk Clownfish
A pale pink anemonefish with a single white stripe running down its back, found living among sea anemones on reefs across the Indo-Pacific.
reef
Little Tunny
A speedy, hard-fighting mackerel relative marked by distinctive wavy dark markings on its back, found in warm coastal and offshore waters of the Atlantic and Mediterranean.
pelagic
Gulf Flounder
A left-eyed flatfish common along the Gulf of Mexico and southeastern Atlantic coast, marked by three distinctive eyespots arranged in a triangle.
saltwater
Hardyhead Silverside
A robust, silvery schooling fish common in shallow lagoons and reef flats across the Indo-Pacific, identified by its broad head and prominent silver midline stripe.
saltwater
Yellowtail Wrasse
A striking Indo-Pacific wrasse whose bright red spotted juveniles transform into green-blue adults with a yellow tail.
reef