Species
Browsing 1,903 species. Use the filters below to narrow down.
Red-bellied Piranha
FishPygocentrus nattereri
The world's most notorious fish, and surprisingly misunderstood in the wild.
Redbelly Tilapia
FishTilapia zillii
A tank-busting herbivore that will devour your plants and ask for more.
Redbreast Acara
FishLaetacara dorsigera
A tiny South American cichlid with a boldly colored chest and a gentle personality.
Redclaw Crayfish
InvertCherax quadricarinatus
A bold, fast-growing Australian crayfish with vivid red claw markings on the males.
Red Devil
FishAmphilophus labiatus
A notoriously aggressive cichlid that somehow also becomes your best friend.
Red Devil Vampire Crab
InvertGeosesarma dennerle
Jewel-bright mini crabs that thrive in paludarium setups with minimal fuss.
Red Dwarf Rasbora
FishMicrorasbora rubescens
A tiny Lake Inle gem that truly shines when kept in a proper-sized school.
Red-eared Slider
FishTrachemys scripta elegans
A long-lived turtle that outlasts most aquariums. And many life plans.
Red Empress
FishProtomelas taeniolatus
A Lake Malawi rock dweller sold under flashy trade names, worth every bit of the hype.
Redeye Piranha
FishSerrasalmus rhombeus
A solitary, powerfully-jawed predator best kept as a single specimen by dedicated keepers.
Redeye Puffer
FishCarinotetraodon lorteti
A tiny puffer with dramatic color-changing ability and surprisingly long lifespan.
Redeye Tetra
FishMoenkhausia oligolepis
A peaceful, easy-to-breed South American tetra often mistaken for its flashier cousin.
Red Fin Banded Pencilfish
FishNannostomus erythrurus
A slender, vividly finned pencilfish that rewards patient, detail-oriented keepers.
Red-finned Loach
FishYasuhikotakia lecontei
A sociable loach with complex group dynamics and real personality to match.
Redfin Pickerel
FishEsox americanus americanus
A pint-sized ambush predator that turns patience into a hunting superpower.
Redfin River Barb
FishCyclocheilichthys janthochir
A rarely imported Bornean cyprinid with vivid red fin markings and a gregarious personality.
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.
Redflank Bloodfin
FishAphyocharax rathbuni
A fin-nipping schooler that rewards careful community planning with lively, colorful energy.
Red Garra
FishGarra rufa
The original 'doctor fish', famous for nibbling skin long before spa treatments existed.
Red Hook Silver Dollar
FishMyloplus rubripinnis
A coin-shaped giant with a bold red fin and a serious appetite for plants.
Redline
FishDevario assamensis
A rare, deep-bodied danionid from Assam with vivid lateral striping and restless energy.
Red Line Tetra
FishHyphessobrycon amapaensis
A tiny, rarely seen Brazilian tetra with vivid red and cream lateral striping.
Red Lips
FishSatanoperca rhynchitis
A gregarious French Guiana cichlid with distinctive red lips and surprising gentleness outside of spawning.
Red Lizard Catfish
FishRineloricaria sp
A slender, peaceful whiptail with a mysterious origin and surprisingly easy breeding behavior.
Red Lyretail
FishAphyosemion bivittatum
A jewel-toned lyretail from West African rainforest streams, surprisingly compact.
Red Lyretail Swordtail
FishXiphophorus helleri
A selectively bred swordtail with a ruffled dorsal fin and deep crimson color throughout.
Red Mouth Headstander
FishAnostomus ternetzi
A boldly striped headstander that swims at its own angle. Literally.
Red Orange Neon
FishPseudomugil sp. "Red Neon"
Tiny, vivid, and electric. A micro-rainbow that rewards patient keepers.
Red Peacock
FishAulonocara hansbaenschi
A peacock cichlid from southern Malawi with fiery coloration and manageable temperament.
Red Pencilfish
FishNannostomus mortenthaleri
A tiny, fiery Peruvian pencilfish that punches well above its weight in attitude.
Red Phantom Tetra
FishHyphessobrycon sweglesi
A deep-red schooling tetra that rewards you for keeping bigger groups.
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 Ramshorn
InvertPlanorbella duryi
A peaceful, easy-to-keep snail that comes in surprisingly vivid color forms.
Red Root Floaters
PlantPhyllanthus fluitans
A fast-spreading floater with vivid red roots that shrimp absolutely love.