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.
Ceylon Killifish
An elongated, surface-dwelling killifish endemic to Sri Lanka, showing an orange-red body with fine dark speckling and iridescent scale flecking.
freshwater
Rainbow Killifish
A vividly patterned annual killifish from Mozambique's seasonal floodplain pools, with males displaying a rainbow of red, blue and orange scale colors.
freshwater
Flame Tetra
A Rio de Janeiro coastal stream characin with a graduated flame-like color pattern from silver at the head to red-orange at the tail.
freshwater
Chevron Tang
A dark surgeonfish covered in fine orange chevron-shaped striping that fades to plain brown with age, prized for its dramatic juvenile pattern.
reef
Banded Gourami
A hardy South Asian labyrinth fish known for its diagonal orange-blue stripes and ability to gulp air in oxygen-poor water.
freshwater
Pearl Gourami
A peaceful Southeast Asian labyrinth fish prized for its lace-like pearly pattern and a black stripe running from snout to tail, with males showing an orange throat and breast.
freshwater
Palon Killifish
A small East African annual killifish in the genus Nothobranchius, with males displaying coppery orange-red coloring and blue speckling. It inhabits temporary coastal pools tied to seasonal rains.
freshwater
Lake Wanam Rainbowfish
A deep-bodied rainbowfish endemic to the small crater Lake Wanam in Papua New Guinea, with males showing rich orange-red body coloration.
freshwater
Leopard Coral Grouper
A striking Indo-Pacific reef predator with a reddish-orange body densely covered in small electric-blue spots, giving it a leopard-like pattern.
reef
Green Tiger Barb
A green-toned color variant of the popular Tiger Barb, retaining the same bold dark bands and active, schooling nature as the classic orange form.
freshwater
Yellow Seahorse
A widespread and highly variable Indo-Pacific seahorse, commonly seen in bright yellow though also occurring in black, orange, or mottled brown, found from mangrove estuaries to coral reefs.
reef
Copperband Butterflyfish
The Copperband Butterflyfish has a silvery-white body banded in copper-orange and a long, slender snout used to probe crevices, along with a black eyespot near the tail that helps confuse predators.
reef
Midas Cichlid
A large, variably colored Central American cichlid, ranging from mottled gray to solid gold-orange, known for its bold and often combative nature.
freshwater
Firefish Goby
A slender white-and-orange reef fish with a tall, flag-like first dorsal fin, often seen hovering near its burrow on sandy slopes.
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
Celestial Pearl Danio
A tiny, jewel-like danio with a dark blue body covered in pearly spots and orange-red banded fins, discovered only in the mid-2000s in Myanmar.
freshwater
Blue Devil Damselfish
A small, intensely electric-blue damselfish common on shallow Indo-Pacific reef flats, with males developing an orange-tinted tail during breeding season.
reef
Boeseman's Rainbowfish
Boeseman's Rainbowfish is a vividly two-toned freshwater fish from New Guinea, with a blue-violet front half and a fiery orange-yellow rear half.
freshwater
Rummy-nose Tetra
A small schooling Amazonian tetra known for its bright red-orange snout and a bold black-and-white striped tail fin, prized in aquariums for its striking coloration and tight shoaling behavior.
freshwater
Pumpkinseed
A small, brilliantly colored sunfish with an orange-spotted body, blue-green facial streaks, and a distinctive red spot on the black ear flap, common in weedy ponds and lakes of eastern North America.
freshwater
Golden Trout
One of the most brilliantly colored freshwater fish in North America, native to a small area of high-elevation streams in California's Sierra Nevada, marked with vivid golden-orange flanks and crimson stripes.
freshwater
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
Harlequin Rasbora
A small, deep-bodied freshwater fish with a coppery-orange body and a distinctive black triangular patch covering the rear half, native to the blackwater streams of Southeast Asia.
freshwater
Grunt Sculpin
A small, oddly shaped sculpin with an elongated, beak-like snout and orange-and-brown striped body, famous for mimicking the appearance of an empty giant acorn barnacle shell.
saltwater