Aquariumpro
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RegionFreshwaterBrackish

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.

698 species

Rainbow Shark

Rainbow Shark

Fish

Epalzeorhynchos frenatus

A bold, territorial bottom-dweller with vivid red fins and a big personality.

Rainbow Snakehead

Rainbow Snakehead

Fish

Channa bleheri

A rare snakehead small enough for a community tank, if you choose tankmates carefully.

Raja Betta

Raja Betta

Fish

Betta raja

A wild Sumatran mouthbrooder with dramatic fins and a gentle personality.

Red-backed Paradisefish

Red-backed Paradisefish

Fish

Macropodus erythropterus

A rarely traded Vietnamese paradisefish with red fins and a complex identity

Red Badis

Red Badis

Fish

Badis ruber

A secretive cave-spawning micro-predator with fascinating breeding behavior and bold flank markings.

Red Claw Crab

Red Claw Crab

Invert

Perisesarma bidens

A feisty little brackish crab with vivid red claws and a personality to match.

Red Devil Vampire Crab

Red Devil Vampire Crab

Invert

Geosesarma dennerle

Jewel-bright mini crabs that thrive in paludarium setups with minimal fuss.

Red Dwarf Rasbora
✨AI

Red Dwarf Rasbora

Fish

Microrasbora rubescens

A tiny Lake Inle gem that truly shines when kept in a proper-sized school.

Redeye Puffer

Redeye Puffer

Fish

Carinotetraodon lorteti

A tiny puffer with dramatic color-changing ability and surprisingly long lifespan.

Red-finned Loach
✨AI

Red-finned Loach

Fish

Yasuhikotakia lecontei

A sociable loach with complex group dynamics and real personality to match.

Redfin River Barb

Redfin River Barb

Fish

Cyclocheilichthys janthochir

A rarely imported Bornean cyprinid with vivid red fin markings and a gregarious personality.

Red Fin Shark

Red Fin Shark

Fish

Epalzeorhynchos munense

A rarely seen shark with a jet-black body and vivid red fins from Southeast Asian rivers.

Redfin Two-banded Carplet

Redfin Two-banded Carplet

Fish

Pethia reval

A tiny Sri Lankan barb with vivid red fins and an easy-going nature.

Red Garra

Red Garra

Fish

Garra rufa

The original 'doctor fish', famous for nibbling skin long before spa treatments existed.

Redline

Redline

Fish

Devario assamensis

A rare, deep-bodied danionid from Assam with vivid lateral striping and restless energy.

Red Racer Nerite Snail

Red Racer Nerite Snail

Invert

Vittina waigiensis

A bold, patterned algae-eater that never reproduces in freshwater tanks.

Red Rainbowfish

Red Rainbowfish

Fish

Glossolepis incisus

A deep-bodied red rainbow that rewards group keeping with dazzling male displays.

Red Side Barb

Red Side Barb

Fish

Puntius bimaculatus

A peaceful, active schooler from South Asian streams with a vivid red flanks in males.

Red-spotted Goby

Red-spotted Goby

Fish

Rhinogobius rubromaculatus

A tiny, fast-moving stream goby from Taiwan and China's upland rivers.

Red Spotted Nerite Snail
✨AI

Red Spotted Nerite Snail

Invert

Clithon diadema

A boldly patterned algae grazer that keeps glass and hardscape spotless.

Red-striped Rainbowfish
✨AI

Red-striped Rainbowfish

Fish

Melanotaenia splendida rubrostriata

A slow-burning rainbowfish that rewards patient keepers with spectacular adult color.

Red-striped Rasbora

Red-striped Rasbora

Fish

Rasbora pauciperforata

A slender, red-striped schooler that thrives in soft, tannin-rich blackwater setups.

Red-striped Toadfish

Red-striped Toadfish

Fish

Dichotomyctere erythrotaenia

A compact, red-lined puffer from mangrove creeks that thrives in brackish setups.

Redtail Barb

Redtail Barb

Fish

Discherodontus ashmeadi

A rare, bottom-dwelling schooler with vivid red-tipped fins and secretive nocturnal habits.

Red-tailed Black Shark

Red-tailed Black Shark

Fish

Cyclocheilos enoplos

A giant Southeast Asian river fish that belongs in public aquaria, not home tanks.

Red-tailed Striped Sand Loach

Red-tailed Striped Sand Loach

Fish

Aborichthys elongatus

A pebble-stream loach from the Himalayan foothills with a fondness for fast water.

Red Tail Shark

Red Tail Shark

Fish

Epalzeorhynchos bicolor

Bold looks, bolder attitude. This Thai native demands respect in any tank.

Red-tail Tinfoil Barb

Red-tail Tinfoil Barb

Fish

Barbonymus altus

A bold, active schooling barb that quickly outgrows most home aquariums.

Reticulated Flying Fox

Reticulated Flying Fox

Fish

Crossocheilus reticulatus

A fishnet-patterned grazer that thrives in a lively, well-matched community.

Reticulated Hillstream Loach

Reticulated Hillstream Loach

Fish

Sewellia lineolata

A bold hillstream loach with bold patterning and surprisingly easy breeding.

Rice Eel or Rice Field Eel

Rice Eel or Rice Field Eel

Fish

Monopterus albus

A land-crossing, air-breathing swamp predator that isn't actually an eel at all.

Rohan's Barb

Rohan's Barb

Fish

Dawkinsia rohani

A lively schooling barb from the hill streams of southern India.

Roseline Shark

Roseline Shark

Fish

Sahyadria denisonii

The endangered Indian torpedo barb with a vivid red-and-black racing stripe

Rosy Barb
✨AI

Rosy Barb

Fish

Pethia conchonius

Hardy, colorful schooling barb that thrives across a wide range of conditions.

Rosy Danio

Rosy Danio

Fish

Danio roseus

A rosy-hued schooling danio that thrives in lively community tanks.

Rosy Loach

Rosy Loach

Fish

Yunnanilus sp. "Rosy"

A rosy little loach that punches above its weight in personality.