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.

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
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
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
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
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
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
Dwarf Gourami

Dwarf Gourami

A small, colorful labyrinth fish from South Asia, with males displaying vivid diagonal red and blue stripes, popular in the freshwater aquarium trade.

freshwater
Bluespine Unicornfish

Bluespine Unicornfish

A large Indo-Pacific tang with a bony forehead horn and paired fixed blue-white spines at the tail base, browsing brown macroalgae on coral reefs and reef flats.

reef
Lined Surgeonfish

Lined Surgeonfish

A boldly striped blue, black, and yellow tang that fiercely defends algal-turf patches on shallow, wave-exposed reef crests across the Indo-Pacific.

reef
Ringtail Surgeonfish

Ringtail Surgeonfish

A blue-grey Indo-Pacific tang identified by the narrow white ring encircling its tail base; common on coral and rocky reefs from East Africa to Hawaii.

reef
Eyestripe Surgeonfish

Eyestripe Surgeonfish

An Indo-Pacific tang with fine blue pencil-lines over a yellow-brown body and a distinctive yellow stripe through the eye; notably long-lived, reaching nearly 30 years.

reef
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