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.
Sweetlips
Sweetlips is the common name for boldly striped reef fish of the genus Plectorhinchus, exemplified by the Oriental sweetlips, known for thick fleshy lips and dramatic juvenile-to-adult color change.
reef
Spangled Emperor
The spangled emperor is a large, pale grey-green emperor fish of the Indo-Pacific, marked by fine blue spangles on its scales and a strong, crushing jaw for cracking shellfish.
reef
Weather Loach
An elongated, eel-shaped East Asian loach known for becoming unusually active before storms, a behavior tied to its sensitivity to changes in barometric pressure.
freshwaterPacific Bluefin Tuna
A massive, warm-bodied tuna capable of ocean-basin migrations across the entire North Pacific, recognized by its deep, torpedo-shaped body and short pectoral fins.
pelagic
Black 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.
saltwater