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.

Twinspot Wrasse

Twinspot Wrasse

A large Indo-Pacific wrasse; juveniles are white with two red-and-black spots, while old males become bulky and greenish with a forehead hump.

reef
Spotfin Lionfish

Spotfin Lionfish

A true lionfish with elongated, spotted pectoral fin rays and reddish-brown bars, found resting in reef crevices by day across the Indo-Pacific.

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
Panther Grouper

Panther Grouper

An unmistakable Indo-Pacific grouper with a pale gray body covered in round black spots, a small head, and a distinctive humped, sloping forehead profile.

reef
Percula Clownfish

Percula Clownfish

A bright orange anemonefish with three bold white bars outlined in black, famous for its symbiotic partnership with sea anemones on western Pacific reefs.

reef
Loach Goby

Loach Goby

The Loach Goby is an elongated, flat-bodied fish that clings to rocks in fast-flowing Indo-Pacific streams, combining goby and loach-like features.

freshwater
Java Rabbitfish

Java Rabbitfish

A greenish-brown rabbitfish patterned with fine wavy vermiculated markings, commonly found in mangrove-lined estuaries and brackish coastal waters of the Indo-Pacific.

brackish
Mangrove Jack

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 Coral Grouper

Leopard Coral Grouper

A striking Indo-Pacific reef predator with a reddish-orange body densely covered in small electric-blue spots, giving it a leopard-like pattern.

reef
Green Jack

Green Jack

The Green Jack is a schooling eastern Pacific jack with a greenish-blue back, silvery sides, and yellowish lower fins, common in coastal surface waters.

pelagic
Giant Trevally

Giant Trevally

The largest of the trevallies, a powerful, deep-bodied predator of Indo-Pacific reefs and lagoons known for its steep head profile and ferocious ambush strikes.

reef

Fantail Sole

A right-eyed Pacific flatfish named for its broadly rounded, fan-like tail, common on sandy bottoms from California to Baja California.

saltwater
China Rockfish

China Rockfish

Easily recognized by a bold yellow stripe running down its black body, the China rockfish is a small, secretive reef dweller of the northeastern Pacific.

saltwater
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
Barred Halfbeak

Barred Halfbeak

A schooling, seagrass-associated halfbeak of the Indo-Pacific with a long, red-tipped lower jaw and faint dark bars along its silvery flanks.

saltwater
Vermilion Rockfish

Vermilion Rockfish

A vivid orange-red rockfish of Pacific coast reefs, often called 'red snapper' informally by anglers despite being unrelated to true snappers.

saltwater
Silver Scat

Silver Scat

A disc-shaped, silvery fish marked with dark vertical bars, found schooling in brackish estuaries and mangroves across the Indo-Pacific and northern Australia.

brackish
Round Stingray

Round Stingray

A small, round-bodied stingray common in shallow sandy surf zones along the Pacific coast, notable for large seasonal aggregations in warm bays.

cartilaginous
Peacock Grouper

Peacock Grouper

The peacock grouper is a dark-bodied reef predator patterned with bright blue spots and pale bars, native to the Indo-Pacific and introduced to Hawaiian waters.

reef
Neon Damselfish

Neon Damselfish

A small, brilliant iridescent blue damselfish with a touch of yellow on the tail, commonly seen in loose groups over rubble and coral on Indo-Pacific reefs.

reef
Japanese Amberjack

Japanese Amberjack

The Japanese Amberjack, or yellowtail, is a streamlined pelagic jack from the northwestern Pacific, identified by its bright yellow lateral stripe and yellow-tinged fins.

pelagic

Green Chromis

The Green Chromis is a small, shimmering blue-green damselfish that forms large schools hovering above branching coral heads on Indo-Pacific reefs.

reef
Garibaldi

Garibaldi

A large, brilliant orange damselfish and the official marine state fish of California, found among rocky reefs and kelp forests of the temperate northeast Pacific.

reef
Blue-spotted Stingray

Blue-spotted Stingray

A small, brilliantly patterned stingray common on Indo-Pacific coral reefs, instantly recognizable by its electric-blue spots and blue-striped tail.

reef