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.
Garibaldi
A large, brilliant orange damselfish and the official marine state fish of California, found among rocky reefs and kelp forests of the temperate northeast Pacific.
reefEuropean Conger
A large, powerfully built grey eel that shelters in rocky crevices and shipwrecks across the Northeast Atlantic and Mediterranean, among the largest eel species in the region.
saltwaterDogtooth Tuna
A powerful reef-associated tuna of the Indo-Pacific, named for its large, dog-like teeth, often encountered patrolling steep drop-offs and current-swept reef edges.
reefDover Sole
The Dover sole is a slippery-skinned, right-eyed flatfish of the North Pacific, unusual among soles for living on deep continental slope bottoms far offshore.
deepseaCornetfish
An extremely elongated, needle-thin fish with a whip-like tail filament, the Cornetfish hovers near reefs and seagrass, using its long tubular snout to snap up small fish.
reefCaspian 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.
brackishConvict Blenny
An eel-like burrow-dweller whose black-and-white striped juveniles form dense swirling schools near the burrow mouth, while adults hide almost entirely underground.
reefClown Goby
A tiny, bright yellow goby that lives permanently nestled among the branches of Acropora corals on Indo-Pacific reefs, rarely straying from its host colony.
reefColombian Shark Catfish
A sleek, silver, shark-shaped catfish with a tall dorsal fin and long barbels, native to brackish river mouths along the Pacific coast of Central and South America.
brackishConger Eel
The Conger Eel is the largest eel in European waters, a strictly marine species inhabiting rocky reefs and wrecks across the northeastern Atlantic and Mediterranean.
saltwaterCardinal Tetra
A tiny, jewel-toned freshwater fish with an iridescent blue stripe running the length of its body above a vivid red stripe below, native to the blackwater tributaries of the Amazon.
freshwaterChinese Catfish
A hardy, air-breathing catfish native to southern China and neighboring regions, well adapted to shallow, oxygen-poor waters like rice paddies and slow streams.
freshwaterBrook Lamprey
The brook lamprey is a small, non-parasitic freshwater lamprey of Pacific Northwest streams that never feeds as an adult, spending most of its life buried as a filter-feeding larva.
freshwaterBlue 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.
saltwaterBluestriped Grunt
A vividly striped Caribbean reef fish with a bright yellow body crossed by narrow electric-blue lines, often seen in dense daytime schools beneath reef ledges.
reefBlack Hagfish
The black hagfish is a jawless, deep-sea scavenger found on the muddy continental slope off the Pacific coast of North America, notable for its uniformly dark coloration.
deepseaBib
The bib, or pouting, is a small, deep-bodied cod relative of the northeastern Atlantic, easily recognized by its coppery-bronze body marked with dark vertical bars.
saltwaterBay Anchovy
One of the most abundant fish in Atlantic and Gulf Coast estuaries, the tiny Bay Anchovy is a key forage species that tolerates a wide range of salinities from open bays to nearly fresh tidal creeks.
brackishAsian Arowana
A large, brightly colored freshwater fish prized for its metallic scales and dragon-like appearance, native to Southeast Asian rivers and now considered endangered in the wild.
freshwaterApache Trout
The Apache trout is a golden-yellow native trout found only in the high-elevation streams of Arizona's White Mountains, and it is the state fish of Arizona following decades of conservation recovery efforts.
freshwaterAustralian Lamprey
The Australian lamprey is a primitive, eel-like jawless fish that spends part of its life as a marine parasite before migrating into coastal rivers of southern Australia and New Zealand to spawn.
brackishMono
A shimmering, disc-shaped fish with a strongly flattened body and tall, angular fins, native to Indo-Pacific estuaries. Adults school in brackish coastal waters and shift gradually toward full seawater as they mature.
brackishStarry Flounder
The starry flounder is a distinctive North Pacific flatfish recognized by alternating orange and black bands across its fins and rough, star-shaped scales, and notable for tolerating a wide range of salinities.
brackishPeacock Goby
A small, brightly colored sleeper goby from Papua New Guinea, with a rounded body patterned in iridescent blue spots over an orange-to-purple base. A dark eye-like spot near the tail gives it its scientific species name.
freshwater