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.

Reef Stonefish

Reef Stonefish

The reef stonefish is the classic, rock-mimicking stonefish of coral reef flats, considered one of the most venomous fish in the sea and virtually invisible against reef rubble.

reef
Reef Shark

Reef Shark

A common, streamlined shark patrolling Indo-Pacific coral reefs, recognized by its broad black-edged tail fin and stout gray body.

reef
Reef Needlefish

Reef Needlefish

A long, slender, silvery needlefish with elongated toothy jaws, commonly seen cruising just below the surface over Indo-Pacific coral reefs and reef flats.

reef
Reef Croaker

Reef Croaker

A coppery-golden drum associated with Caribbean coral reefs, unusual among croakers for its strong reef affinity rather than open sand or mud habitat.

reef
Blue Reef Chromis

Blue Reef Chromis

A slender, brilliant blue schooling fish commonly seen hovering in large numbers above coral reef outcrops throughout the Caribbean and western Atlantic.

reef
Blacktip Reef Shark

Blacktip Reef Shark

A slender, small reef shark instantly recognized by the bold black tips on all its fins, commonly seen patrolling shallow lagoons and reef flats across the Indo-Pacific.

reef
Whitetip Reef Shark

Whitetip Reef Shark

A slender nocturnal reef shark marked by distinctive white-tipped fins, often seen resting motionless inside reef caves and under ledges by day across the Indo-Pacific.

reef
Caribbean Reef Shark

Caribbean Reef Shark

The most commonly encountered large shark on Caribbean reefs, a stocky gray requiem shark often seen resting motionless on the sea floor.

reef
Jackknife-fish

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
Sabertooth Fish

Sabertooth Fish

A slender deep-sea predator with oversized fang-like teeth and unusual tubular, upward-angled eyes that help it spot the silhouettes of prey against faint downwelling light.

deepsea
Paradise Fish

Paradise Fish

A hardy East Asian labyrinth fish with vivid blue-and-red banded flanks and flowing fins, historically one of the first ornamental fish kept in Western aquariums.

freshwater
Tripod Fish

Tripod Fish

An abyssal fish that props itself above the seafloor on three elongated fin rays, forming a tripod, and waits motionless facing into the current to ambush tiny drifting prey.

deepsea
Football Fish

Football Fish

A round, warty deep-sea anglerfish whose much larger females dangle a bioluminescent lure from a spine above the mouth to draw prey through the permanent darkness of the deep ocean.

deepsea
Bumblebee Fish

Bumblebee Fish

A tiny, boldly banded goby popular in brackish aquariums, named for its wasp-like black-and-yellow stripes.

brackish
Four-Eyed Fish

Four-Eyed Fish

A surface-dwelling brackish-water fish famous for eyes split into upper and lower halves, allowing it to see simultaneously above and below the waterline.

brackish
African Tiger Fish

African Tiger Fish

A ferocious, fast-swimming predator of southern and eastern African rivers, armed with prominent interlocking teeth and known for spectacular aerial strikes on prey.

freshwater
Leopard Bush Fish

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

Bigfin Squid Fish

Despite the common name, this is not a true fish but a rarely filmed deep-sea cephalopod, famous for extraordinarily long elbowed arms trailing beneath a small gelatinous body.

deepsea
Grouper

Grouper

A heavy-bodied reef predator with a large mouth and mottled camouflage pattern, known for lying in wait near reef structure before ambushing fish and crustaceans.

reef
Moray Eel

Moray Eel

A long, serpentine reef predator that hides in crevices by day, identified by its scaleless body, continuous fin along the back, and powerful jaws with a rarely seen second set of pharyngeal jaws.

reef
Porkfish

Porkfish

A bright yellow Caribbean grunt marked by two bold black diagonal stripes across the head, forming large schools that shelter near reef structure by day.

reef
Greater Amberjack

Greater Amberjack

A large, torpedo-shaped jack with a bronze-amber stripe running through the eye, commonly found around offshore reefs and wrecks worldwide.

reef
Cubbyu

Cubbyu

A small, deep-bodied drum with a tall dorsal fin and faint dark stripes, often seen hovering near reef ledges in the western Atlantic.

reef
Blue Green Chromis

Blue Green Chromis

A small schooling damselfish with iridescent blue-green coloring, commonly seen in large groups hovering above branching coral on Indo-Pacific reefs.

reef