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.
Torpedo Ray
The largest of the electric rays, a powerful bottom-dweller capable of delivering an electric shock strong enough to stun sizeable fish.
cartilaginousFlame Hawkfish
A brilliant red-orange reef fish that perches motionless atop branching coral, darting out to ambush small prey.
reefAfrican Arowana
A large African bonytongue fish with a toothless, filter-feeding mouth adapted for straining plankton and detritus from floodplain waters.
freshwaterBallan Wrasse
The largest wrasse in northern European waters, a stout rocky-reef fish with highly variable green, brown, or reddish mottling.
saltwaterWhite Grunt
A stout, silvery reef fish with a bright orange-red mouth lining, known for the grinding sound it makes with its pharyngeal teeth.
reefStone Loach
The Stone Loach is a small, mottled bottom-dwelling fish common in clear European streams, often hiding under stones by day.
freshwaterPygmy Corydoras
The Pygmy Corydoras is one of the smallest armored catfish species, a tiny schooling fish native to slow-moving tributaries of the Amazon basin.
freshwaterPacific Blue-eye
A tiny, schooling fish common in coastal streams and estuaries of eastern Australia, easily recognized by its reflective, luminous blue eyes.
brackishGiant Freshwater Stingray
One of the largest freshwater fish on Earth, a massive river-dwelling stingray capable of exceeding 2 meters across and hundreds of kilograms.
freshwaterBronze Corydoras
A hardy, metallic-sheened armored catfish that forages along the substrate and is one of the most widely kept bottom-dwelling aquarium fish.
freshwaterStar Drum
One of the smallest drums in the western Atlantic, an elongated silvery fish often found in dense schools over soft coastal bottoms.
saltwaterSeahorse
An unmistakable upright-swimming fish with a horse-like head and curled prehensile tail, notable for males carrying and giving birth to offspring.
reefLumpsucker
A rounded, ball-shaped North Atlantic fish with rough tuberculate skin and a ventral sucker disc used to cling to rocks and kelp.
saltwaterHigh-hat
A striking black-and-white striped reef drum related to the jackknife-fish, easily recognized by its tall, elongated dorsal fin.
reefKing Mackerel
A large, streamlined mackerel of the warm western Atlantic, prized as a fast offshore game fish and recognizable by its silvery, unmarked body.
pelagicCobia
A large, elongated, shark-like fish that roams warm coastal waters worldwide and often follows rays, turtles, and floating structure.
pelagicBluebanded Sea Bream
An Indo-Pacific reef fish, actually a snapper, marked by diagonal electric-blue bands on yellow and trailing fin filaments in adults.
reefSnowflake Moray
The Snowflake Moray is a mottled black-and-yellow reef eel with blunt, crushing teeth adapted for feeding on crabs and shrimp rather than fish.
reefSouth American Lungfish
An eel-shaped South American fish that breathes almost entirely through a single lung, allowing it to survive dry seasons buried in mud.
freshwaterOcean Sunfish
The ocean sunfish is the heaviest bony fish alive, a flattened giant with no true tail that drifts through temperate and tropical seas feeding on jellyfish.
pelagicPermit
A deep-bodied, silvery flats and reef fish of the western Atlantic, famed among anglers for its wary nature and sickle-shaped fins.
reefPallid Sturgeon
The pallid sturgeon is a large, pale, endangered fish of the Missouri and Mississippi rivers, adapted to fast, turbid water with a flattened snout and reduced eyes.
freshwaterPelagic Stingray
A uniquely oceanic stingray that never touches the seabed, drifting through warm and temperate seas worldwide while feeding on squid and small fish.
pelagicFlorida Pompano
A deep-bodied, silvery fish with a forked tail and yellow-tinged fins, common in sandy surf zones along the western Atlantic coast.
saltwater