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.
Harlequin Tuskfish
A vividly colored wrasse with a turquoise-blue body crossed by orange bars and prominent protruding tusk-like teeth used to crush hard-shelled prey. It inhabits coral-rich reef slopes across the western Pacific.
reef
Japanese Anchovy
A small, abundant schooling fish found throughout the coastal waters of Japan, Korea, and China, the Japanese Anchovy is one of the most heavily fished species in the western Pacific and a vital link in regional marine food webs.
pelagic
Purple Tang
A vivid violet surgeonfish with a contrasting yellow tail, native to Red Sea coral reefs.
reef
Green Wrasse
A slender Mediterranean wrasse, often green to brownish, associated with seagrass meadows and rocky reefs.
saltwater
Percula Clownfish
A bright orange anemonefish with three bold white bars outlined in black, famous for its symbiotic partnership with sea anemones on western Pacific reefs.
reef
Giant Trevally
The largest of the trevallies, a powerful, deep-bodied predator of Indo-Pacific reefs and lagoons known for its steep head profile and ferocious ambush strikes.
reef
Garden Eel
Garden Eels are slender, colony-forming eels that live permanently anchored in sandy burrows near reefs, swaying in the current as they catch drifting plankton.
reef
Almaco Jack
A deep-bodied jack with a tall, strongly notched dorsal fin and elongated fin lobes, commonly found around tropical reefs and offshore structure.
reef
Yellow Stingray
A small, boldly patterned stingray of the western Atlantic and Caribbean, often seen resting on sand near coral reefs and seagrass beds in shallow, clear water.
reef
Weedy Seadragon
A slender, reddish-purple relative of the seahorse decorated with small leaf-like fin projections and yellow stripes, found along the temperate reefs of southern Australia.
reef
Tomtate
A small silvery grunt common over reefs and hard-bottom habitats of the western Atlantic, recognized by a dark blotch near the base of its tail fin.
reef
Pink Skunk Clownfish
A pale pink anemonefish with a single white stripe running down its back, found living among sea anemones on reefs across the Indo-Pacific.
reef
Spotted Scat
A deep-bodied, disc-shaped fish covered in dark spots over an olive-to-silver background, common in Indo-Pacific estuaries and harbors. Its bold pattern and spiny dorsal fin make it easy to pick out among schooling brackish fish.
brackish
Yellow Tang
A brilliant all-yellow surgeonfish common on Pacific coral reefs, especially around Hawaii, easily recognized by its disc-shaped body and sharp tail spine.
reef
Vermilion Snapper
A slender, vivid pinkish-red snapper of deep offshore reefs and hard bottom, feeding mainly on plankton picked from the water column rather than the substrate.
reef
Two-Banded Clownfish
An orange anemonefish with two broad white bars, the characteristic clownfish of the Red Sea and adjacent Gulf of Aden reefs, always found sheltering among host anemones.
reef
Skunk Clownfish
A slender, pale peach-to-pink anemonefish marked by a single white stripe running from snout to tail, living in symbiosis with sea anemones on Indo-Pacific reefs.
reef
Scrawled Filefish
The Scrawled Filefish is a large, thin-bodied filefish covered in unique blue and black scribbled lines and spots, found drifting near reefs in tropical seas worldwide.
reef
Catalina 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.
reef
Balloonfish
The balloonfish is a spine-covered porcupinefish that inflates by gulping water when threatened, using its beak-like teeth to crush hard-shelled prey on tropical reefs.
reef
Banded Knifefish
An elongated, eel-like South American fish that generates weak electric fields to navigate and communicate in murky water.
freshwater
Atlantic Salmon
An iconic anadromous fish of the North Atlantic, born in cold rivers, maturing at sea, and returning to natal streams to spawn.
freshwater
Titan Triggerfish
The Titan Triggerfish is the largest triggerfish species, recognized by its olive-yellow body, pale moustache stripe, and famously territorial nest-guarding behavior on Indo-Pacific reefs.
reef
Ringtail Surgeonfish
A blue-grey Indo-Pacific tang identified by the narrow white ring encircling its tail base; common on coral and rocky reefs from East Africa to Hawaii.
reef