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 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.
freshwater
Bronze Corydoras
A hardy, metallic-sheened armored catfish that forages along the substrate and is one of the most widely kept bottom-dwelling aquarium fish.
freshwater
Star Drum
One of the smallest drums in the western Atlantic, an elongated silvery fish often found in dense schools over soft coastal bottoms.
saltwater
Seahorse
An unmistakable upright-swimming fish with a horse-like head and curled prehensile tail, notable for males carrying and giving birth to offspring.
reef
Lumpsucker
A rounded, ball-shaped North Atlantic fish with rough tuberculate skin and a ventral sucker disc used to cling to rocks and kelp.
saltwater
High-hat
A striking black-and-white striped reef drum related to the jackknife-fish, easily recognized by its tall, elongated dorsal fin.
reef
King Mackerel
A large, streamlined mackerel of the warm western Atlantic, prized as a fast offshore game fish and recognizable by its silvery, unmarked body.
pelagic
Cobia
A large, elongated, shark-like fish that roams warm coastal waters worldwide and often follows rays, turtles, and floating structure.
pelagic
Bluebanded Sea Bream
An Indo-Pacific reef fish, actually a snapper, marked by diagonal electric-blue bands on yellow and trailing fin filaments in adults.
reef
Snowflake 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.
reef
South 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.
freshwater
Permit
A deep-bodied, silvery flats and reef fish of the western Atlantic, famed among anglers for its wary nature and sickle-shaped fins.
reef
Pallid 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.
freshwater
Pelagic Stingray
A uniquely oceanic stingray that never touches the seabed, drifting through warm and temperate seas worldwide while feeding on squid and small fish.
pelagic
Ocean 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.
pelagic
Goldfish
A hardy freshwater fish domesticated from the wild Prussian carp, prized worldwide as an ornamental pond and aquarium species in many color forms.
freshwater
Florida 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
Caspian Lamprey
The Caspian lamprey is a parasitic, jawless fish that lives in the brackish Caspian Sea and migrates into tributary rivers of Russia, Iran, and neighboring countries to spawn.
brackish
Common Roach
A widespread European freshwater fish with a silvery body and distinctive red-orange fins, forming large shoals in slow rivers, lakes, and canals.
freshwater
Atlantic Sturgeon
The Atlantic sturgeon is a large, armored anadromous fish of eastern North America, spending years at sea before returning to coastal rivers to spawn.
brackish
Black Skirt Tetra
A silvery-gray tetra with a flowing black skirt-like tail and fins, whose dark coloration typically fades somewhat as the fish matures.
freshwater
Black Marlin
A massive, powerful billfish of the Indo-Pacific known for its rigid, immovable pectoral fins and status as one of the largest bony fish in the ocean.
pelagic
Silver Bream
A silvery European freshwater fish with notably large, protruding eyes, often confused with young Common Bream but distinguished by its larger scales.
freshwater
Shanny
The most common rockpool blenny of the northeastern Atlantic, the Shanny is a stout, big-eyed fish that tolerates the harsh, fluctuating conditions of the intertidal zone.
saltwater