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.
Threadfin Trevally
An Indo-Pacific jack whose juveniles trail extraordinarily long thread-like fins, maturing into deep-bodied, steep-headed adults over sandy coastal bottoms and reef edges.
reefLemon Shark
A stocky, yellow-brown coastal shark named for its sandy coloration, recognized by two nearly equal-sized dorsal fins, common in shallow mangrove and reef habitats of the western Atlantic and eastern Pacific.
cartilaginousStreaked Spinefoot
A large silvery-gray rabbitfish marked with fine dark streaks and scattered pale spots, commonly found in estuaries, mangroves, and coastal reefs across the Indo-Pacific.
brackishGilthead Bream
A deep-bodied Mediterranean and Eastern Atlantic sparid named for the golden band across its forehead. A euryhaline species that moves between coastal reefs and brackish lagoons.
saltwaterMalabar Grouper
The Malabar grouper is a large, olive-grey Indo-Pacific grouper covered in dark blotches and small pale spots, found across coastal reefs, estuaries, and mangrove-lined coasts.
reefSheepshead
A deep-bodied coastal fish easily recognized by bold black vertical bars and prominent human-like teeth, common around docks, jetties, and oyster reefs along the western Atlantic.
saltwaterBarracuda
A large, torpedo-shaped predatory fish found around tropical reefs, seagrass beds, and open coastal waters worldwide, easily identified by its underbite jaw and fang-like teeth.
reefSilver Perch
The Silver Perch is a small, bright silvery sciaenid common in seagrass and oyster reef habitats along the U.S. Atlantic and Gulf coasts.
brackishCabezon
The cabezon is the largest sculpin of the North American Pacific coast, a heavily mottled, scaleless ambush predator that blends into rocky reef and kelp habitat.
saltwaterRosy Rockfish
A small, brightly colored rockfish with rose-pink coloring and dark saddle blotches, found on rocky reefs along the California coast.
saltwaterVermilion Rockfish
A vivid orange-red rockfish of Pacific coast reefs, often called 'red snapper' informally by anglers despite being unrelated to true snappers.
saltwaterCatalina Goby
A tiny, vividly colored goby with electric blue bands over a red-orange body, found perched on rocky reefs and kelp holdfasts off the Pacific coast.
reefTautog
A large, robust, dark-mottled wrasse tied closely to rocky reefs and wrecks along the western Atlantic coast, known for its powerful shellfish-crushing jaws.
saltwaterBlue Rockfish
A schooling rockfish with dark blue-gray coloring, commonly seen in large numbers around kelp forests and rocky reefs along the Pacific coast of North America.
saltwaterBlack Rockfish
A dark, deep-bodied schooling rockfish common over rocky reefs and kelp forests along the Pacific coast, often seen in large surface-oriented aggregations.
saltwaterYellowtail Rockfish
A slender, olive-brown Pacific rockfish with yellow-tinted fins that schools in large midwater aggregations over rocky reefs and open water along the North American coast.
saltwaterPacific Red Snapper
A bright reddish-pink snapper of rocky reefs along the Eastern Pacific coast from Mexico to Peru, closely resembling its Atlantic namesake but found in a different ocean.
reefBlack Sea Bass
A stocky, dark-bodied grouper relative common on rocky reefs and wrecks along the temperate western Atlantic coast, easily recognized by its high arched back and blunt head.
reefLongfin African Conger
A slender, sand-dwelling conger with a distinctly long dorsal fin and a two-tone body, found burrowing along reef flats and lagoons across the Indo-Pacific and East African coast.
reefKelp Bass
The kelp bass is a mottled olive-brown temperate reef fish closely tied to kelp forests along the eastern Pacific coast, often seen hovering near kelp fronds and rocky structure.
saltwater