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.
Pipefish
A slender, elongated relative of the seahorse with a rigid, ring-plated body and tubular snout, commonly found camouflaged among seagrass and algae in coastal waters worldwide.
saltwater
Corydoras Catfish
A small, armored South American catfish genus known for its bottom-dwelling, social schooling habits and distinctive bony body plates instead of scales.
freshwater
Boxfish
A rigid, box-shaped Indo-Pacific reef fish encased in fused bony plates; juveniles are bright yellow with black spots, dulling to olive-grey tones as adults.
reefSeamoth
A small, armor-plated bottom-dweller with wing-like pectoral fins, the Seamoth crawls across sandy Indo-Pacific seafloors using its fins almost like legs.
saltwater
Gulf Menhaden
A deep-bodied, oily-scaled herring relative that forms enormous schools in Gulf of Mexico estuaries, playing a major role as a forage fish in coastal food webs.
brackish
Corydoras
A small, armored bottom-dwelling catfish native to South American streams, Corydoras species are recognized by their rows of bony plates, paired barbels, and constant substrate-sifting behavior in search of food.
freshwater
Brown Surgeonfish
A small, plain brown Indo-Pacific tang that is nonetheless one of the most abundant algae-grazing reef fish, playing a key role in controlling reef algal growth.
reef
Eastern Rainbowfish
A widespread eastern Australian subspecies of the splendid rainbowfish complex, showing blue-green to golden flanks and yellow-orange fins along coastal Queensland rivers.
freshwater
Yellow Perch
A golden-yellow freshwater fish marked by dark vertical bars and orange-tinged fins, native to lakes and slow-moving rivers across North America. It is one of the most abundant and widely recognized panfish species.
freshwater