Fish Species Database - Complete Guide to Freshwater, Saltwater & Brackish Fish

One of the most widespread fish globally, found in coastal temperate and tropical waters. A detritivore and filter feeder that consumes algae, organic matter, and small invertebrates. Forms large schools and can tolerate wide salinity ranges, often entering freshwater. Highly important in aquaculture and commercial fisheries.

A flatfish known for its ability to camouflage with the ocean floor.

Notable for the drumming sound it produces, this fish is found in freshwater environments across North America.

A slender, surface-dwelling fish with needle-like jaws, often found in schools in coastal regions. Known for its ability to leap out of the water and its distinctive green bones. Feeds on small fish and invertebrates.

One of the largest and most aggressive snakehead species, native to Southeast Asia. A formidable predator known for its ability to breathe air and travel overland. Highly invasive outside its native range due to its adaptability and predatory nature.

A powerful apex predator of coral reefs and Indo-Pacific waters, also known as GT. Known for its immense strength, intelligence, and aggressive ambush attacks on prey. Inhabits a range of environments from deep outer reefs to shallow lagoons and even freshwater estuaries.

A key forage fish for many larger species, known for its distinctively deep body and silver color.

A prized sport fish in Australia, known for its golden coloration and fighting ability.

A small, shiny fish often used as bait, found in still and slow-moving waters.

A silvery fish found in North America, known for its distinctive golden eyes.

A massive, critically endangered reef predator and one of the largest bony fish found on coral reefs. Juveniles live in mangrove estuaries, while adults inhabit reefs, wrecks, and ledges. Known for its curious and fearless nature around divers.

A herbivorous fish used in weed control for aquatic vegetation.

A unique reef fish known for its tough skin, strong teeth, and trigger-like dorsal spine mechanism. Uses its powerful teeth to crush hard-shelled prey like crabs, urchins, and mollusks. Inhabits rocky reefs and artificial structures.

A powerful, large game fish found in offshore waters around reefs, wrecks, and oil platforms. Prized for its strong fighting ability and firm, tasty flesh. Often forms small schools near structure.

The Green Sturgeon (Acipenser medirostris) is an anadromous species: it lives in the ocean and migrates into rivers to spawn. While often associated with Pacific coast rivers, it spends most of its life in marine and estuarine environments before returning to freshwater to reproduce. Recognized for its olive-green coloration, it is among the largest and longest-lived sturgeon species.

A large, bottom-dwelling fish known for its delicious taste and formidable size.

A flatfish species found in the Gulf of Mexico and western Atlantic Ocean. Gulf flounder are camouflaged predators that bury themselves in sandy bottoms to ambush prey.

A commercially important species known for its delicate texture and mild flavor.

The largest flatfish in the world, inhabiting cold, deep ocean floors of the North Atlantic. A benthic predator that lies camouflaged on sandy or muddy substrates, ambushing fish, cephalopods, and crustaceans. Highly valued in commercial fisheries.

A highly prized anadromous fish, famous for its delicate flavor and cultural significance in South Asia. Lives in the sea but migrates en masse into freshwater rivers to spawn. The subject of major commercial fisheries throughout its range.