Asia
The rivers and rice paddies of Southeast and South Asia give us rasboras, barbs, gouramis, danios, loaches, and a whole world of community fish.
683 species · freshwater
Sub-regions
Red Fin Shark
FishEpalzeorhynchos munense
A rarely seen shark with a jet-black body and vivid red fins from Southeast Asian rivers.
Redfin Two-banded Carplet
FishPethia reval
A tiny Sri Lankan barb with vivid red fins and an easy-going nature.
Red Garra
FishGarra rufa
The original 'doctor fish', famous for nibbling skin long before spa treatments existed.
Redline
FishDevario assamensis
A rare, deep-bodied danionid from Assam with vivid lateral striping and restless energy.
Red Racer Nerite Snail
InvertVittina waigiensis
A bold, patterned algae-eater that never reproduces in freshwater tanks.
Red Rainbowfish
FishGlossolepis incisus
A deep-bodied red rainbow that rewards group keeping with dazzling male displays.
Red Side Barb
FishPuntius bimaculatus
A peaceful, active schooler from South Asian streams with a vivid red flanks in males.
Red-spotted Goby
FishRhinogobius rubromaculatus
A tiny, fast-moving stream goby from Taiwan and China's upland rivers.
Red Spotted Nerite Snail
InvertClithon diadema
A boldly patterned algae grazer that keeps glass and hardscape spotless.
Red-striped Rainbowfish
FishMelanotaenia splendida rubrostriata
A slow-burning rainbowfish that rewards patient keepers with spectacular adult color.
Red-striped Rasbora
FishRasbora pauciperforata
A slender, red-striped schooler that thrives in soft, tannin-rich blackwater setups.
Redtail Barb
FishDischerodontus ashmeadi
A rare, bottom-dwelling schooler with vivid red-tipped fins and secretive nocturnal habits.
Red-tailed Black Shark
FishCyclocheilos enoplos
A giant Southeast Asian river fish that belongs in public aquaria, not home tanks.
Red-tailed Striped Sand Loach
FishAborichthys elongatus
A pebble-stream loach from the Himalayan foothills with a fondness for fast water.
Red Tail Shark
FishEpalzeorhynchos bicolor
Bold looks, bolder attitude. This Thai native demands respect in any tank.
Red-tail Tinfoil Barb
FishBarbonymus altus
A bold, active schooling barb that quickly outgrows most home aquariums.
Reticulated Flying Fox
FishCrossocheilus reticulatus
A fishnet-patterned grazer that thrives in a lively, well-matched community.
Reticulated Hillstream Loach
FishSewellia lineolata
A bold hillstream loach with bold patterning and surprisingly easy breeding.
Rice Eel or Rice Field Eel
FishMonopterus albus
A land-crossing, air-breathing swamp predator that isn't actually an eel at all.
Rohan's Barb
FishDawkinsia rohani
A lively schooling barb from the hill streams of southern India.
Roseline Shark
FishSahyadria denisonii
The endangered Indian torpedo barb with a vivid red-and-black racing stripe
Rosy Barb
FishPethia conchonius
Hardy, colorful schooling barb that thrives across a wide range of conditions.
Rosy Danio
FishDanio roseus
A rosy-hued schooling danio that thrives in lively community tanks.
Rosy Loach
FishYunnanilus sp. "Rosy"
A rosy little loach that punches above its weight in personality.
Round-tailed Paradise Fish
FishMacropodus ocellatus
A cold-hardy labyrinth fish that stays active even under ice.
Royal Clown Loach
FishLeptobotia pellegrini
China's boldly patterned loach needs a group and robust tankmates to thrive.
Royal Featherback
FishChitala blanci
A massive Mekong predator that will outgrow almost any home aquarium.
Sabah Danio
FishNematabramis everetti
A Bornean river minnow with dramatically long barbels and a bold shoulder patch.
Sabanus Bumblebee Goby
FishBrachygobius sabanus
A tiny brackish goby with bold banding and a big territorial attitude.
Saddle Barb
FishBarbodes banksi
A rare Bornean barb with a distinctive wedge marking, seldom seen outside specialist circles.
Salween Barb
FishHampala salweenensis
A rare Salween barb that hunts by suction and needs to be kept in groups.
Salween Grazer
FishGarra salweenica
A blunt-snouted Salween grazer with a curious three-lobed proboscis.
Salween Loach
FishAcanthocobitis zonalternans
A camouflaged Salween loach that thrives in groups and rewards patient keepers.
Sanggau Betta
FishBetta antoni
A soft-water mouthbrooder from Borneo with iridescent blue scales and complex breeding behavior.
Sarasin's Minnow
FishOryzias sarasinorum
A rare Sulawesi ricefish with a truly bizarre egg-carrying trick
Savona Stone Loach
FishSchistura savona
A boldly barred Himalayan loach that holds its own in a community tank.