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.
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
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.
reefGreen 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
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
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
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
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
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
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
A common, streamlined shark patrolling Indo-Pacific coral reefs, recognized by its broad black-edged tail fin and stout gray body.
reef
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
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
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
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
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
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
Three-Spot Domino Damselfish
A round, jet-black damselfish marked with three white spots, commonly seen sheltering among sea anemones and branching corals on Indo-Pacific reefs.
reef
Speckled Moray
A pale, densely speckled moray of Indo-Pacific reef flats, its white to cream body peppered with small black spots that thicken toward the tail.
reef
Spotted Garden Eel
The Spotted Garden Eel lives in dense colonies of speckled, burrow-dwelling eels on sandy reef slopes across the Indo-Pacific, feeding on drifting plankton.
reef
Mono Argentus
A flat, disc-shaped, mirror-silver fish with tall yellow-tinged fins, commonly seen schooling in brackish estuaries and harbors across the Indo-Pacific.
brackish
Humbug Damselfish
A small white damselfish marked with three bold black bars and a clear tail, living in tight groups among the branches of Indo-Pacific coral colonies.
reef
Aiptasia-eating Filefish
A small, drab Indo-Pacific filefish prized in reef aquariums for its habit of eating Aiptasia glass anemones, blending into seagrass and algae with mottled camouflage.
reef