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.
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
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.
reefFantail Sole
A right-eyed Pacific flatfish named for its broadly rounded, fan-like tail, common on sandy bottoms from California to Baja California.
saltwater
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
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
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
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
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
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
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
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.
pelagicGreen 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
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
A small, brilliantly patterned stingray common on Indo-Pacific coral reefs, instantly recognizable by its electric-blue spots and blue-striped tail.
reef
Clownfish
A small, brilliantly orange reef fish with three white bars, famous for its symbiotic partnership with sea anemones on Indo-Pacific coral reefs.
reef
Coho Salmon
A mid-sized Pacific salmon known as silver salmon for its bright, metallic ocean coloration, popular among anglers for its aggressive strikes.
freshwater
Canary Rockfish
A vivid orange-and-gray rockfish of the Pacific continental shelf, easily recognized by its bright orange fins and mottled orange-and-gray body pattern.
saltwater
Bigeye Trevally
A large, silvery-to-black reef jack famous for forming massive, swirling daytime schools around Indo-Pacific reef passes and drop-offs.
reef
Barbour's Seahorse
A small, spiny-crowned seahorse native to the coral reefs and seagrass beds of the western Pacific, distinguished by fine dark banding along its snout.
reef
Barred Mudskipper
An amphibious mangrove goby with bulging eyes and muscular fins that lets it crawl and hop across exposed mud at low tide throughout the Indo-Pacific.
brackish
Azure Damselfish
A small, vividly blue damselfish common on Indo-Pacific reef flats and lagoons, easily spotted flitting among coral rubble in loose groups.
reef
Wolf Herring
A slender, silvery predator with a fanged, upturned jaw, the wolf herring hunts small fish in Indo-Pacific coastal waters despite belonging to the herring order.
saltwater
Roosterfish
An unmistakable eastern Pacific game fish named for the tall comb-like spines of its dorsal fin, which it raises above the water while hunting.
saltwater
Redlip Halfbeak
A slender coastal halfbeak with a needle-thin lower jaw tipped in vivid red, gliding in small schools over shallow tropical Indo-Pacific waters.
saltwater