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.

Giant Moray

Giant Moray

The Giant Moray is the largest moray eel species, a densely spotted Indo-Pacific reef predator that shelters in crevices by day and hunts fish and invertebrates at night.

reef
Firefish Goby

Firefish Goby

A slender white-and-orange reef fish with a tall, flag-like first dorsal fin, often seen hovering near its burrow on sandy slopes.

reef
Sixline Soapfish

Sixline Soapfish

A dark brown-black Indo-Pacific reef fish marked with six pale horizontal stripes, known for secreting a bitter, toxic skin mucus as a defense mechanism.

reef
Hardyhead Silverside

Hardyhead Silverside

A robust, silvery schooling fish common in shallow lagoons and reef flats across the Indo-Pacific, identified by its broad head and prominent silver midline stripe.

saltwater
Snapper

Snapper

A robust, reef-dwelling fish with a reddish-pink body and striking red eyes, common over rocky bottoms, reefs, and wrecks throughout the Gulf of Mexico and western Atlantic.

reef
Queen Triggerfish

Queen Triggerfish

The Queen Triggerfish is a strikingly colorful Atlantic reef fish, marked by blue facial lines, a yellow-tinged tail, and elongated dorsal and tail fin filaments.

reef
Sweetlips

Sweetlips

Sweetlips is the common name for boldly striped reef fish of the genus Plectorhinchus, exemplified by the Oriental sweetlips, known for thick fleshy lips and dramatic juvenile-to-adult color change.

reef
Queen Angelfish

Queen Angelfish

The Queen Angelfish is a large, vividly colored Caribbean reef fish with a blue-green body, yellow-rimmed scales, and a distinctive blue-ringed crown spot on its forehead.

reef
Boxfish

Boxfish

A rigid, box-shaped Indo-Pacific reef fish encased in fused bony plates; juveniles are bright yellow with black spots, dulling to olive-grey tones as adults.

reef
Bicolor Damselfish

Bicolor Damselfish

A small reef fish sharply split into a dark front half and a pale rear half, common on Caribbean and western Atlantic coral reefs where it defends algae-covered territories.

reef
Lyretail Anthias

Lyretail Anthias

The lyretail anthias is a small, vividly orange-pink reef fish that forms large, colorful schools over coral drop-offs, with males sporting an elongated lyre-shaped tail.

reef
French Grunt

French Grunt

The French grunt is a small, abundant reef fish of the Caribbean and western Atlantic, marked by narrow yellow stripes over a silvery-white body and known for forming dense daytime schools.

reef
Regal Angelfish

Regal Angelfish

The Regal Angelfish is a striking orange-and-blue-striped reef fish with a large dark eye patch and a bold yellow tail, found on well-developed coral reefs across the Indo-Pacific.

reef
Spotted Scorpionfish

Spotted Scorpionfish

A heavily camouflaged reef fish with mottled brown, red, and white patterning and venomous dorsal spines, blending seamlessly into coral rubble and rocky bottom across the western Atlantic.

reef
Red Grouper

Red Grouper

The red grouper is a heavy-bodied, reddish-brown reef fish common on rocky and coral bottoms of the Gulf of Mexico and western Atlantic, known for excavating shallow depressions in sediment.

reef
Coral Grouper

Coral Grouper

The coral grouper is a vivid orange-red reef fish covered in small electric-blue spots, commonly seen darting among coral heads across the Indo-Pacific.

reef
Ornate Ghost Pipefish

Ornate Ghost Pipefish

The ornate ghost pipefish is a strikingly patterned reef fish covered in frilly skin extensions that let it blend seamlessly with crinoids and soft corals. It is one of the most photographed of the ghost pipefish species.

reef
Marbled Grouper

Marbled Grouper

The marbled grouper is an uncommon western Atlantic reef fish with a distinctive dark, marbled or streaked pattern that gives way to a dark 'charcoal' belly, often seen near caves and drop-offs.

reef
Sailfin Snapper

Sailfin Snapper

The sailfin snapper is a striking Indo-Pacific reef fish with blue diagonal stripes, yellow fins, and a tall, flowing dorsal fin, often seen over sand patches near coral reefs.

reef
Emperor Angelfish

Emperor Angelfish

The Emperor Angelfish is a large, boldly striped reef fish with alternating blue and yellow horizontal lines and a dark mask across the eyes, one of the most recognizable angelfish in the Indo-Pacific.

reef
Lawnmower Blenny

Lawnmower Blenny

The Lawnmower Blenny is a mottled brown-and-cream reef fish with a stocky body and comb-like teeth, known for grazing algae off rock and rubble surfaces on shallow Indo-Pacific reefs.

reef
Yellowtail Snapper

Yellowtail Snapper

A slender Caribbean reef fish with a bold golden stripe running from snout to its deeply forked yellow tail. Often seen swimming in open water above reefs rather than hugging the bottom.

reef
Potato Grouper

Potato Grouper

The potato grouper is one of the largest reef groupers, a pale grey fish covered in dark blotches resembling potato skin, found on Indo-Pacific reefs and known for its curious, approachable behavior toward divers.

reef
Pufferfish

Pufferfish

A slow-swimming reef fish famous for inflating its body into a spiny ball when threatened, using a fused beak-like set of teeth to feed on hard-shelled invertebrates and algae.

reef