Species
Browsing 651 species. Use the filters below to narrow down.
Red Orange Neon
FishPseudomugil sp. "Red Neon"
Tiny, vivid, and electric. A micro-rainbow that rewards patient keepers.
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.
Red-spotted Copeina
FishCopella eigenmanni
A small, peaceful Amazonian schooler with subtle charm and fascinating breeding behavior.
Redspotted Tetra
FishCopeina guttata
A paternal nest-guarder from the Amazon with bold red spots and real personality.
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.
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 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.
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.
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.
Robusta Cory
FishCorydoras robustus
One of the largest corys around, rarely seen and worth the hunt.
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.
Rosy Tetra
FishHyphessobrycon bentosi
A rosy, fin-flaring little characin that puts on its best show in a crowd.
Rosy Tetra
FishHyphessobrycon rosaceus
A softly blushing schooling tetra that rewards keepers who think in groups.
Royal Clown Loach
FishLeptobotia pellegrini
China's boldly patterned loach needs a group and robust tankmates to thrive.
Ruby Tetra
FishAxelrodi riesei
A tiny red gem from Colombia that rewards patient, species-focused keepers.
Rummy Nose Tetra
FishHemigrammus bleheri
A tight-schooling tetra whose vivid red nose blazes brightest in a large group.
Rummy Nose Tetra
FishHemigrammus rhodostomus
The original rummy-nose, built for tight shoals and soft Amazon water.
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.
Sailfin Pimeloid
FishLeiarius marmoratus
A massive schooling catfish with dramatic fins and a nocturnal personality.
Sailfin Tetra
FishCrenuchus spilurus
A solitary little predator with theatrical fin displays and devoted fathering instincts.
Salmacis Cory
FishScleromystax salmacis
A tiny armored catfish from Brazilian ponds, with a venomous sting to respect.
Salmon Catfish
FishNeoarius leptaspis
A mouthbrooding giant catfish that travels from rivers to the sea.
Salt and Pepper Cory
FishCorydoras habrosus
A pint-sized armored catfish that breathes air and blinks at you.