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.
White Grunt
A stout, silvery reef fish with a bright orange-red mouth lining, known for the grinding sound it makes with its pharyngeal teeth.
reef
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
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
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
Coral Grouper
The coral grouper is a vivid orange-red reef fish covered in small electric-blue spots, commonly seen darting among coral heads across the Indo-Pacific.
reefCeylon 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
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
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
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
Longsnout Seahorse
A slender, long-snouted seahorse native to the western Atlantic that anchors itself to soft corals and mangrove roots with its prehensile tail. It comes in a wide range of colors, from yellow and orange to red and black.
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
Ember Parrotfish
The vivid orange-red juvenile color phase of the Redlip Parrotfish, prized in the aquarium trade for its fiery hue before it transforms into a much larger blue-green adult.
reef
Ballyhoo
A slender, silvery halfbeak of coastal Atlantic waters, easily recognized by its long lower jaw tipped in red-orange, often seen skittering across the surface in schools.
saltwater
Flame Angelfish
The Flame Angelfish is a small, vivid orange-red dwarf angelfish marked with black vertical bars and blue-tipped fins, commonly seen darting among reef crevices in the Pacific.
reef
Cutthroat Trout
A native western North American trout named for the distinctive red-orange slash marks under its jaw, found in an array of subspecies across cold streams and mountain lakes.
freshwater
Rudd
A deep-bodied European cyprinid known for brassy-gold flanks and vivid orange-red fins, the rudd frequents weedy lakes and slow rivers, feeding near the surface on insects and plants.
freshwater
Lyretail Killifish
A slender, non-annual West African killifish named for the male's elegant lyre-shaped tail, ranging in color from golden-orange to deep red across its native populations.
freshwater
Moonlight Gourami
A sleek, silvery-green Mekong basin gourami with an iridescent sheen and vivid orange-red pelvic fin filaments, notably lacking the dark body spots seen in many related species.
freshwater
Achilles Tang
A striking black surgeonfish with a bold orange-red teardrop marking near its tail and matching scalpel-like tail spine. It inhabits high-surf reef zones across the Pacific.
reef
Tinfoil Barb
A large, fast-swimming barb with brilliant silver, mirror-like scales and orange-red fins, the tinfoil barb inhabits big Southeast Asian rivers and forms sizable shoals in open water.
freshwater