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.
Pacific Saury
A slender, silvery, beaked schooling fish of the temperate North Pacific, closely related to needlefish, marked by a row of small finlets near its tail.
pelagic
Haddock
A slender, silvery-grey relative of the cod, easily recognized by a distinctive black lateral line and a dark thumbprint-like blotch above the pectoral fin.
saltwater
Garfish
A long, silvery, needle-jawed fish of European coastal waters, instantly recognizable by its bright green backbone and slender, beak-like snout.
pelagic
Green Jack
The Green Jack is a schooling eastern Pacific jack with a greenish-blue back, silvery sides, and yellowish lower fins, common in coastal surface waters.
pelagic
Barred Halfbeak
A schooling, seagrass-associated halfbeak of the Indo-Pacific with a long, red-tipped lower jaw and faint dark bars along its silvery flanks.
saltwater
Striped Bass
A large, silvery, hard-fighting bass marked with bold black stripes, native to the Atlantic coast and now widely established in freshwater reservoirs across North America.
brackish
Black Crappie
A silvery panfish mottled with irregular dark speckling, closely related to the White Crappie but preferring clearer water, and one of the most popular schooling panfish in North America.
freshwater
Bagre Catfish
A silvery marine and estuarine catfish of the western Atlantic and Gulf of Mexico, recognizable by its elongated sail-like dorsal fin filament and mouth-brooding parenting behavior.
saltwater
Wolf Herring
A slender, silvery predator with a fanged, upturned jaw, the wolf herring hunts small fish in Indo-Pacific coastal waters despite belonging to the herring order.
saltwater
Atlantic Saury
A slender, silvery, beaked fish of the open North Atlantic, closely related to needlefish, recognized by its elongated jaws and a row of small finlets near the tail.
pelagicWhitefish
Lake whitefish are silvery, streamlined members of the salmon family that inhabit cold, deep lakes across North America, feeding along the bottom for insect larvae and small invertebrates.
freshwater
Snook
A sleek, silvery predator with a bold black lateral stripe and a distinctive sloped, pointed snout, closely tied to mangrove shorelines and warm coastal estuaries.
brackish
Spanish Mackerel
A slender, fast-swimming mackerel of the western Atlantic, easily identified by rows of bright yellow-gold spots scattered along its silvery flanks.
pelagic
Rainbow Trout
A popular salmonid native to Pacific-drainage rivers of North America and Asia, known for its silvery body, dark spotting, and the broad pink-red stripe that gives the species its name.
freshwater
Scaled Sardine
A small, deep-bodied silvery fish that forms dense inshore schools along the Western Atlantic coast, easily confused with other small herring-like species.
saltwaterNorway Pout
The Norway pout is a small, silvery schooling Gadidae abundant in the North Sea and nearby shelf waters, distinguished by its large eyes and slim body adapted to deeper offshore habitat.
saltwater
Murray River Rainbowfish
A slender, schooling rainbowfish native to Australia's Murray-Darling river system, displaying subtle pink-red stripes and yellow-tinted fins along its silvery-blue body.
freshwater
Ide
A robust, silvery cyprinid of large European rivers and lakes, the ide (commonly bred as the golden 'orfe') forms active surface shoals and is a widely stocked ornamental pond fish worldwide.
freshwater
Blue Whiting
Blue whiting is a slender, silvery-blue deep-water relative of cod that forms enormous schools across the northeastern Atlantic, distinguished by its large eyes and lack of a chin barbel.
pelagic
Copperband Butterflyfish
The Copperband Butterflyfish has a silvery-white body banded in copper-orange and a long, slender snout used to probe crevices, along with a black eyespot near the tail that helps confuse predators.
reef
Cottonmouth Jack
A plain, silvery-grey deep-water jack named for the pale interior of its mouth, found over continental shelves and slopes across tropical oceans worldwide.
pelagic
Common Dace
A slender, silvery cyprinid of clean, fast-flowing rivers, the common dace forms active shoals in mid-water, darting to snatch drifting insects from the current.
freshwater
Black Neon Tetra
A small Brazilian tetra marked by a bold black horizontal stripe paired with a shimmering silvery-white line above it, a popular schooling fish in freshwater aquariums.
freshwater
Atlantic Flyingfish
A streamlined, silvery flyingfish of the tropical Atlantic that uses its oversized wing-like pectoral fins to glide over the surface for long distances to escape predators.
pelagic