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.

Blue Tang

Blue Tang

A vivid royal-blue reef fish with a black palette-shaped marking and a bright yellow tail, popularized worldwide after appearing in animated film.

reef
Powder Blue Tang

Powder Blue Tang

A vivid powder-blue surgeonfish with a black facial mask and white throat patch, common on shallow reef edges across the Indian Ocean.

reef
Regal Tang

Regal Tang

An unmistakable royal-blue surgeonfish with a black palette pattern and bright yellow tail, popularized worldwide as the character Dory, commonly seen darting among branching corals.

reef
Sailfin Tang

Sailfin Tang

A striped surgeonfish famous for its oversized, sail-like dorsal and anal fins, common on Indo-Pacific coral reefs.

reef
Clown Tang

Clown Tang

A vividly striped surgeonfish with alternating blue, black, and yellow horizontal lines, one of the most aggressively territorial herbivores on shallow Indo-Pacific reef crests.

reef
Sohal Tang

Sohal Tang

A powerfully built surgeonfish endemic to the Red Sea and nearby Arabian waters, marked by bold blue and black striping and known for fiercely defending shallow reef flats.

reef
Naso Tang

Naso Tang

A large surgeonfish with bright orange lips and a yellow tail-base marking, grazing algae along Indo-Pacific reef slopes.

reef
Yellow Tang

Yellow Tang

A brilliant all-yellow surgeonfish common on Pacific coral reefs, especially around Hawaii, easily recognized by its disc-shaped body and sharp tail spine.

reef
Orangeshoulder Tang

Orangeshoulder Tang

A gray-bodied surgeonfish marked by a bold orange patch behind the gill cover, often seen grazing sandy rubble zones adjacent to Indo-Pacific coral reefs.

reef
Whitecheek Tang

Whitecheek Tang

A dark brown to black surgeonfish set apart by a bright white patch beneath the eye and a narrow orange tail band, commonly seen grazing rubble zones on Indo-Pacific reefs.

reef
Achilles Tang

Achilles Tang

A striking black surgeonfish with a bold orange-red teardrop marking near its tail and matching scalpel-like tail spine. It inhabits high-surf reef zones across the Pacific.

reef
Pacific Blue-eye

Pacific Blue-eye

A tiny, schooling fish common in coastal streams and estuaries of eastern Australia, easily recognized by its reflective, luminous blue eyes.

brackish
Blue Marlin

Blue Marlin

A massive, cobalt-blue billfish with a long spear-like bill, the Blue Marlin is one of the fastest and largest predators of the open tropical ocean.

pelagic
Blue Damselfish

Blue Damselfish

A small, brilliant electric-blue damselfish that fiercely defends its patch of shallow Indo-Pacific reef.

reef
Blue Rockfish

Blue Rockfish

A schooling rockfish with dark blue-gray coloring, commonly seen in large numbers around kelp forests and rocky reefs along the Pacific coast of North America.

saltwater
Fiji Blue Devil

Fiji Blue Devil

A striking blue-headed, yellow-bodied damselfish endemic to the coral reefs of Fiji and nearby South Pacific islands.

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
Blue Ring Angelfish

Blue Ring Angelfish

An Indo-Pacific angelfish named for the vivid blue ring behind its head, with adults displaying a yellow-brown body crossed by curving electric-blue lines.

reef
Yellowtail Blue Damselfish

Yellowtail Blue Damselfish

A small, vividly electric-blue damselfish with a sharply contrasting bright yellow tail, common on shallow reef flats and lagoons of the western Pacific.

reef
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
Blue Devil Damselfish

Blue Devil Damselfish

A small, intensely electric-blue damselfish common on shallow Indo-Pacific reef flats, with males developing an orange-tinted tail during breeding season.

reef
Pacific Mackerel

Pacific Mackerel

A schooling pelagic fish of the eastern Pacific with an iridescent blue-green back marked by irregular dark bars and scattered spots along its lower flanks.

pelagic
Palette Surgeonfish

Palette Surgeonfish

The vivid blue-and-black Blue Tang, famous for its palette-shaped markings and bright yellow tail; an Indo-Pacific coral reef species that feeds mainly on drifting plankton rather than algae.

reef
Orangespine Unicornfish

Orangespine Unicornfish

A hornless unicornfish marked by a black eye mask, yellow dorsal stripe, and vivid orange blade-like spines at the tail base; common on shallow Indo-Pacific reefs.

reef