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.

Bluestripe Pipefish

Bluestripe Pipefish

The bluestripe pipefish is a tiny reef pipefish with a bright blue lateral stripe running along a tan or orange body, often seen hovering near crevices where it also cleans parasites from larger fish.

reef
Kelp Bass

Kelp Bass

The kelp bass is a mottled olive-brown temperate reef fish closely tied to kelp forests along the eastern Pacific coast, often seen hovering near kelp fronds and rocky structure.

saltwater
Banded Pipefish

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.

reef
Ghost Pipefish

Ghost 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.

reef
Cornetfish

Cornetfish

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.

reef
Six Line Wrasse

Six 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.

reef
Pyjama Cardinalfish

Pyjama 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.

reef
Orange-lined Triggerfish

Orange-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.

reef
Epaulette Shark

Epaulette 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.

reef
Goliath Grouper

Goliath 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.

reef
Rockfish

Rockfish

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.

saltwater
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
Bigeye Trevally

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
Giant Grouper

Giant 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.

reef

Two-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.

reef
Barracuda

Barracuda

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.

reef
Yellow Jack

Yellow 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.

reef
Fairy Wrasse

Fairy 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.

reef
Undulated Moray

Undulated 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.

reef
Striped Catfish

Striped 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.

reef
Steephead Parrotfish

Steephead 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.

reef
Dogtooth Tuna

Dogtooth 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.

reef
Wolf Eel

Wolf 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.

saltwater
Goldsinny Wrasse

Goldsinny 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.

saltwater