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.
Glowlight Tetra
A slender, translucent tetra marked by a bright iridescent orange-red stripe running the length of its body, giving it a luminous glow effect.
freshwater
European Plaice
European plaice is a right-eyed flatfish easily recognized by the vivid orange spots scattered across its smooth brown upper side.
saltwater
Chalk Bass
A tiny bicolored sea bass with a lavender-blue head and orange rear body, often seen darting over Caribbean rubble reefs.
reef
Common Roach
A widespread European freshwater fish with a silvery body and distinctive red-orange fins, forming large shoals in slow rivers, lakes, and canals.
freshwater
Butterfly Splitfin
A striking Mexican livebearer known for its black body, yellow-orange tail band, and unusual reproductive biology shared with other goodeids.
freshwater
Potter's Angelfish
A small Hawaiian endemic dwarf angelfish, rusty orange with blue-grey and fine wavy blue lines.
reef
Majestic Angelfish
A boldly patterned western-Pacific angelfish with orange body, blue-edged bands, and a blue lower body.
reef
Vermilion Rockfish
A vivid orange-red rockfish of Pacific coast reefs, often called 'red snapper' informally by anglers despite being unrelated to true snappers.
saltwater
Rummynose Tetra
A slender silvery tetra known for its bright red-orange snout and a bold black-and-white striped tail, prized for tight, synchronized shoaling.
freshwater
Salmon-red Rainbowfish
A deep-bodied rainbowfish endemic to Lake Sentani in Papua, Indonesia, where mature males develop a vivid overall salmon-red to orange coloration.
freshwater
Redtail Splitfin
A colorful Mexican goodeid livebearer, with males showing a vivid orange-red tail band contrasting a steel-blue body, popular in the aquarium trade.
freshwater
Rainbow Parrotfish
The largest parrotfish in the Caribbean, displaying a striking blend of blue-green and orange coloration and playing a key role in reef sand production and algae control.
reef
Mandarinfish
A tiny, vividly patterned reef fish covered in a maze-like network of blue, orange, and green, prized as one of the most colorful fish in the ocean.
reef
Golden Wonder Killifish
A golden-orange color form of the striped panchax, this hardy topminnow patrols the water's surface hunting insects and small fish in South Asian wetlands.
freshwater
Clownfish
A small, brilliantly orange reef fish with three white bars, famous for its symbiotic partnership with sea anemones on Indo-Pacific coral reefs.
reef
Blackfin Clownfish
An orange anemonefish with a single white head bar and distinctive black-edged pelvic and anal fins, endemic to reefs around the Maldives and Sri Lanka.
reef
Ember Tetra
A tiny, glowing orange-red tetra that shoals in large numbers and is among the smallest characins kept in freshwater aquaria.
freshwater
Tomato Clownfish
A deep-bodied, orange-red anemonefish with a single white head bar, living in close partnership with a host sea anemone.
reef
Flame Hawkfish
A brilliant red-orange reef fish that perches motionless atop branching coral, darting out to ambush small prey.
reef
Bicolor Blenny
A small reef blenny sharply split into a dark front half and bright orange rear half, sheltering in rubble crevices.
reef
Spotted Boxfish
The Spotted Boxfish shows striking sexual dimorphism: males are blue with orange-edged spots and yellow stripes, while females and juveniles are black covered in white spots.
reef
Squarespot Anthias
A schooling Indo-Pacific anthias; territorial males display a bold rectangular magenta-purple patch on an orange body, while females stay uniformly peach-colored.
reef
Coral Beauty Angelfish
The Coral Beauty Angelfish is a small dwarf angelfish with a deep purple-blue body and orange-yellow scale highlights, widely distributed across Indo-Pacific reefs.
reef
Cuckoo Wrasse
A vividly patterned wrasse of the Northeast Atlantic and Mediterranean, with males displaying bold blue and orange stripes and females a softer pink patterned with black-edged white spots.
reef