Species
Browsing 336 species. Use the filters below to narrow down.
Black-spotted Boxfish
FishOstracion cubicus
Adorable cube-shaped reef fish that hides a dangerous chemical defense.
Blackspotted Toothcarp
FishPhallichthys tico
A tiny, peaceful livebearer from Costa Rica's murky highland streams.
Blackstripe Cardinalfish
FishApogon nigrofasciatus
A secretive reef-dweller that comes alive after dark to hunt the rubble.
Bleeding Heart Tetra
FishHyphessobrycon pyrrhonotus
The rarest bleeding heart tetra, with a vivid red wedge only it can claim.
Bleeding Heart Tetra
FishHyphessobrycon socolofi
The bleeding heart tetra rewards patient keepers with spectacular male rivalry displays.
Bloodfin Tetra
FishAphyocharax anisitsi
A hardy, long-lived tetra with vivid red fins and surprising cold tolerance.
Blueback Blue-eye
FishPseudomugil cyanodorsalis
A tiny blue-backed rainbowfish relative from Australia's brackish mangrove creeks.
Blueberry Tetra
FishHyphessobrycon wada
A tiny tetra with a purple-blue body and vivid orange fins that deepen with age.
Blue Chromis
FishChromis cyanea
A cool-blue schooling fish that brings open-water energy to reef tanks.
Blue Emperor Tetra
FishInpaichthys kerri
Tiny tetra with big color rivalry. Males glow brightest when competing for attention.
Bluelined Wrasse
FishCirrhilabrus lineatus
A lavender-and-pink fairy wrasse that turns heads in any reef tank.
Blueline rasbora
FishRasbora einthovenii
A peaceful forest-stream rasbora with a charmingly crinkled lateral stripe.
blue puller
FishChromis caerulea
A shoaling reef chromis that brings calm, flowing movement to the mid-water column.
Blue Ribbon Tetra
FishHyphessobrycon melanostichos
A feisty little tetra that behaves best when kept in numbers
Bluespine Unicornfish
FishNaso unicornis
A true horn-nosed giant that demands a serious reef setup to thrive.
Blue Tetra
FishBoehlkea fredcochui
A petite Amazonian schooler that thrives when kept in numbers.
Blue Tetra
FishMimagoniates microlepis
A rare coastal-stream tetra with an unusual internal fertilization strategy.
Boesemani Tetra
FishHemigrammus boesemani
A rarely seen French Guiana tetra that rewards patient hunters with peaceful charm.
Bornean Eye-spot Silver Shark
FishLabiobarbus ocellatus
A peaceful schooling cyprinid with a distinctive shoulder spot and shy streak.
Bornean Minnow
FishNematabramis borneensis
A slender Bornean minnow with notably long barbels and a bold lateral stripe.
Broken Line
FishDevario xyrops
A lively forest-stream schooler from Myanmar with bold broken-line markings.
Brown Pencilfish
FishNannostomus beckfordi
A hardy little pencilfish that actually forgives beginner mistakes.
Brown Pencilfish
FishNannostomus eques
A pencilfish that swims nose-up and thrives in a well-planted, peaceful tank.
Brown's Betta
FishBetta brownorum
A jewel of the peat swamps, with a glowing green flank spot unlike any other Betta.
Brown Spiketail Gourami
FishPseudosphromenus dayi
A secretive bubble-nesting gourami from Kerala's ditches and swamps.
Brunei Beauty
FishBetta macrostoma
A rare Bornean beauty that rewards patient, dedicated keepers.
Burmese Chocolate Gourami
FishParasphaerichthys ocellatus
A tiny Burmese labyrinth fish that builds bubble nests and rewards patient keepers.
Burmese Rainbow Barb
FishMystacoleucus obtusirostris
A lively schooling cyprinid with bold fin markings and a hidden surprise spine.
Butter Fish
FishScatophagus argus
A bold, active brackish fish that thrives in mangroves and messy tanks alike.
Calypso Tetra
FishHyphessobrycon axelrodi
A tiny Trinidad native surprisingly comfortable in brackish conditions.
Cardinal Tetra
FishParacheirodon axelrodi
The full-red neon that outshines its famous cousin from blackwater rivers.
Catemaco Platyfish
FishXiphophorus milleri
A rare Mexican platyfish from one lake, suited for species-focused setups.
Ceros Tetra
FishMoenkhausia ceros
A peaceful Amazon tetra that rarely makes it onto store lists.
Checkerboard Cichlid
FishCrenicara punctulatum
A tiny cichlid that literally changes sex as it matures.
Cherry Barb
FishPuntius titteya
A beginner-friendly Sri Lankan barb that glows deepest red in a good-sized group.
Cherry Chocolate Gourami
FishSphaerichthys selatanensis
A rare Bornean gem where the mother holds the eggs, not the father.