Species
Browsing 1,911 species. Use the filters below to narrow down.
Red-spotted Killi
FishAphyosemion cognatum
A compact, colorful killi that's surprisingly gentle on beginner patience.
Redspotted Panchax
FishEpiplatys lamottei
A West African surface killifish dressed in red spots and dark bars.
Redspotted Tetra
FishCopeina guttata
A paternal nest-guarder from the Amazon with bold red spots and real personality.
Redspot wrasse
FishPseudocoris yamashiroi
A fast-moving reef wrasse with vivid pink tones and open-water energy.
Redstreaked Blenny
FishCirripectes stigmaticus
A reef-flat blenny with bold red facial markings and loads of personality.
Redstriped Eartheater
FishGeophagus surinamensis
A mouthbrooding digger that sifts sand and fiercely guards its young.
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 Butterflyfish
FishChaetodon collare
A reef native that pairs for life but rarely forgives a rough transition to captivity.
Redtail Catfish
FishPhractocephalus hemioliopterus
A gorgeous river giant that almost no home aquarium can truly accommodate.
Red-tailed Black Shark
FishCyclocheilos enoplos
A giant Southeast Asian river fish that belongs in public aquaria, not home tanks.
Red-tailed Flag Tetra
FishHyphessobrycon agulha
A rare, peaceful tetra that anchors its entire species group by name.
Red-tailed Freshwater Barracuda, Spotted Cachorro
FishAcestrorhynchus falcatus
A pike-like ambush predator that minds its manners with fish it can't swallow.
Red-tailed Striped Sand Loach
FishAborichthys elongatus
A pebble-stream loach from the Himalayan foothills with a fondness for fast water.
Red Tail Garra
FishGarra sp. "Redtail"
A mysterious, proboscis-nosed stream fish with mood-signaling facial hardware.
Redtail Notho
FishNothobranchius guentheri
A jewel-bright killifish that lives fast, dies young, and leaves drought-proof eggs.
Red Tail Shark
FishEpalzeorhynchos bicolor
Bold looks, bolder attitude. This Thai native demands respect in any tank.
Redtail Splitfin
FishXenotoca eiseni
A hardy livebearer with a nasty streak and genuinely fascinating reproductive biology.
Red-tail Tinfoil Barb
FishBarbonymus altus
A bold, active schooling barb that quickly outgrows most home aquariums.
Red Terror
FishCichlasoma festae
A massive, fierce Ecuadorian cichlid that will eat anything it can fit in its mouth.
Red Wolf Fish
FishErythrinus erythrinus
A bold, air-breathing predator that mimics killifish as a juvenile to lure prey
Red Zebra
FishMetriaclima estherae
A bold, scrappy cichlid that brings serious color and attitude to the African rift tank.
Reedfish
FishErpetoichthys calabaricus
A living fossil with an eel-like body and a lineage older than the dinosaurs.
Reef Chromis
FishChromis retrofasciata
A bite-sized reef chromis that hugs branching corals and minds its own business.
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.
Reticulate Freshwater Stingray
FishPotamotrygon orbignyi
A manageable freshwater ray for those ready to step up to serious specialist keeping.
Rice Eel or Rice Field Eel
FishMonopterus albus
A land-crossing, air-breathing swamp predator that isn't actually an eel at all.
Ringtailed Pike Cichlid
FishCrenicichla saxatilis
A torpedo-shaped predator from Suriname's creeks, built to ambush and dominate.
Rio Napo cory
FishCorydoras napoensis
A tiny armored catfish from Ecuador that rewards patient keepers with decades of personality.
Ripsaw Catfish
FishMegalodoras uranoscopus
A gentle giant catfish from the Amazon that travels in groups and growls.
River Goby
FishAwaous banana
A sand-sifting river giant that grazes algae like an aquatic lawnmower.
Robusta Cory
FishCorydoras robustus
One of the largest corys around, rarely seen and worth the hunt.
Rock Beauty
FishHolacanthus tricolor
A bold Atlantic angel with dramatically different juvenile and adult coloration.
Rocket Panchax
FishPseudepiplatys annulatus
A tiny West African killifish with bold bands and surprisingly shy habits.
Rock Kribensis
FishHaplochromis sauvagei
A Lake Victoria cichlid that hunts snails and insect larvae along rocky shorelines.