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.
Banded Pipefish
The banded pipefish is a slender reef fish patterned with bold reddish-brown and white rings along its entire body, ending in a fan-shaped yellow tail fin marked with a dark spot.
reefCornetfish
An extremely elongated, needle-thin fish with a whip-like tail filament, the Cornetfish hovers near reefs and seagrass, using its long tubular snout to snap up small fish.
reefGhost Pipefish
Ghost pipefish are small, camouflaged reef fish related to true pipefish, named for their ability to nearly vanish against crinoids, algae, and seagrass. The family includes several species distinguished by body shape and coloration.
reefSix Line Wrasse
The Six Line Wrasse is a small, brightly colored reef fish with six narrow orange stripes running along a purple-blue body and a black spot near the tail, often darting through coral rubble.
reefPyjama Cardinalfish
A small, boldly patterned reef fish with a yellow-spotted rear half, a dark bar through the eye, and large eyes suited to nocturnal feeding. It shelters among coral branches and sea urchin spines by day.
reefOrange-lined Triggerfish
The Orange-lined Triggerfish is a dark green triggerfish covered in bold curving orange stripes, one of the most vividly patterned fish on Indo-Pacific reefs.
reefGoliath Grouper
One of the largest bony fish on Atlantic reefs, the goliath grouper is a massive, mottled brown ambush predator that shelters around wrecks, caves, and mangrove-lined shorelines.
reefEpaulette Shark
A small, slender reef shark famed for 'walking' across exposed reef flats on its paddle-like fins, marked by a large dark eyespot behind each gill.
reefRockfish
Rockfish is a broad name for the roughly 100-plus Sebastes species of the North Pacific, spiny-finned, long-lived fish closely tied to rocky reefs and kelp forests.
saltwaterGaribaldi
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.
reefGiant Grouper
The largest bony fish found on coral reefs, the giant grouper is a massive Indo-Pacific predator with a huge head and mouth, capable of ambushing prey as large as small sharks and turtles.
reefBigeye Trevally
A large, silvery-to-black reef jack famous for forming massive, swirling daytime schools around Indo-Pacific reef passes and drop-offs.
reefTwo-spot Red Snapper
The two-spot red snapper, or bohar snapper, is a large, deep red Indo-Pacific reef predator, sometimes showing two pale saddle spots on the back, and an important predator on coral reef slopes.
reefBarracuda
A large, torpedo-shaped predatory fish found around tropical reefs, seagrass beds, and open coastal waters worldwide, easily identified by its underbite jaw and fang-like teeth.
reefYellow Jack
A reef-associated western Atlantic jack easily recognized by the bright yellow wash on its fins and tail, often seen patrolling reef edges in small schools.
reefFairy Wrasse
A dazzling small reef wrasse in which males flash iridescent shades of red, purple, and blue during courtship displays over coral rubble and reef slopes.
reefWolf Eel
The Wolf Eel is a large, spotted, eel-shaped fish of North Pacific rocky reefs that forms long-term pairs and cooperatively guards its eggs in a shared den.
saltwaterGoldsinny Wrasse
A small reddish-brown wrasse marked by a black tail-base spot, the Goldsinny Wrasse patrols rocky Atlantic reefs and is known for picking parasites off other fish.
saltwaterUndulated Moray
A common Indo-Pacific reef moray with bold wavy, maze-like dark markings over a pale body, often seen with its head poking from reef crevices.
reefSteephead Parrotfish
A large Indo-Pacific parrotfish named for its abruptly steep, blunt forehead, typically seen grazing algae and reef rock along outer reef slopes in small groups.
reefStriped Catfish
An eel-shaped Indo-Pacific reef catfish marked with pale longitudinal stripes, whose juveniles form dense, tightly packed schooling balls over sand and reef flats.
reefDogtooth Tuna
A powerful reef-associated tuna of the Indo-Pacific, named for its large, dog-like teeth, often encountered patrolling steep drop-offs and current-swept reef edges.
reefKole Tang
A compact, striped surgeonfish with a golden eye-ring, using bristle-like teeth to sweep detritus from reef rock.
reefSilver Perch
The Silver Perch is a small, bright silvery sciaenid common in seagrass and oyster reef habitats along the U.S. Atlantic and Gulf coasts.
brackish