Species
Browsing 1,911 species. Use the filters below to narrow down.
Red Barred Killi
FishAphyosemion elberti
A small, manageable killifish with bold markings from Central African stream systems.
Red-bellied Pacu
FishPiaractus brachypomus
A fruit-eating giant that outgrows nearly every home aquarium.
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.
Red Devil
FishAmphilophus labiatus
A notoriously aggressive cichlid that somehow also becomes your best friend.
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-eye Wrasse
FishCirrhilabrus solorensis
A reef-dweller that actually uses coral cover, not just open rubble.
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 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 Hawkfish
FishNeocirrhites armatus
A vivid red percher that rules its corner of the reef from a favorite rock.
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 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 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 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.
Redspot Cichlid
FishAmphilophus calobrensis
A rare Panamanian cichlid with a ferocious personality and fascinating parental behavior.
Red Spot Puffer
FishPao abei
A pint-sized freshwater puffer with a big attitude and sharp teeth to match.
Red-spotted Blenny
FishSalarias segmentatus
A reef-dwelling algae grazer with bold red spots and a big personality.
Red-spotted Copeina
FishCopella eigenmanni
A small, peaceful Amazonian schooler with subtle charm and fascinating breeding behavior.
Red-spotted Goby
FishRhinogobius rubromaculatus
A tiny, fast-moving stream goby from Taiwan and China's upland rivers.