Species
Browsing 707 species. Use the filters below to narrow down.
Blackbarred Reefgoby
FishPriolepis nocturna
A tiny crevice-dweller that disappears into the reef and rarely comes out.
Black Bellied Limia
FishLimia melanogaster
A rarely seen Caribbean livebearer with bold dark coloring and lively personality.
Black Catfish
FishTrachycorystes trachycorystes
A hefty South American catfish with unusual reproductive biology and serious presence.
Black Durgon
FishMelichthys niger
A calm, reef-going triggerfish that's actually safe for community tanks.
Black-finned Triggerfish
FishMelichthys indicus
A surprisingly mellow triggerfish that goes easy on its tankmates.
Blackline Rasbora
FishRasbora borapetensis
A peaceful schooling fish with a vivid red tail that really shines in a group.
Blacklip Butterflyfish
FishChaetodon kleinii
A wide-ranging butterflyfish that thrives deeper than most of its relatives.
Black-lipped Panchax
FishEpiplatys dageti dageti
A hardy, surface-loving killifish that's a perfect gateway into egg-scattering species.
Black Neon Tetra
FishHyphessobrycon herbertaxelrodi
A boldly patterned schooling fish that thrives in a lively community setup.
Black phantom tetra
FishHyphessobrycon megalopterus
Ghost-grey tetras with bold black fins that come alive during male rivalry displays.
Blackspot Pigmy Wrasse
FishWetmorella nigropinnata
A tiny, secretive reef wrasse that disappears into caves the moment you look away.
Black-spotted Corydoras
FishCorydoras melanistius
A sociable little armored catfish that thrives in groups and lives surprisingly long.
Blackstreak Surgeonfish
FishAcanthurus nigricauda
A wide-ranging Indo-Pacific grazer that bucks the typical surgeonfish habitat
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.
Bleher's Rainbowfish
FishChilatherina bleheri
A brilliantly colored rainbowfish from one remote Indonesian lake, worth every bit of effort.
Bloodfin Tetra
FishAphyocharax anisitsi
A hardy, long-lived tetra with vivid red fins and surprising cold tolerance.
Blue Assessor
FishAssessor macneilli
A cave-dwelling reef basslet that swims upside-down like it owns the place.
Blue Banded Barb
FishBarbus fasciolatus
A rarely exported African barb with bold vertical bars and crepuscular habits.
Blueberry Shrimp
InvertNeocaridina palmata
A boldly patterned dwarf shrimp that brings real color to planted nano tanks.
Blue Blubber Jellyfish
InvertCatostylus mosaicus
Australia's most common jellyfish, surprisingly manageable in a dedicated kreisel tank.
Blue Botia
FishYasuhikotakia modesta
A sociable Mekong loach with vivid fins and a complex social life.
Blue Chromis
FishChromis cyaneus
A cool-blue schooling fish that brings open-water energy to reef tanks.
Blue Chromis
FishChromis cyanea
A cool-blue schooling fish that brings open-water energy to reef tanks.
Blue Cory
FishCorydoras nattereri
A long-lived, sociable bottom-dweller that breathes air and blinks at you.
Blue Diamond Characin
FishAlestopetersius smykalai
A rare West African schooler with a bold diamond marking and fascinating male rivalry displays.
Blue Emperor Tetra
FishInpaichthys kerri
Tiny tetra with big color rivalry. Males glow brightest when competing for attention.
Blue-green Chromis
FishChromis viridis
A shimmering, peaceful schooling fish that brings reef lagoons to life in your tank.
Blue Leg Hermit Crab
InvertCalcinus elegans
Vivid blue legs and a big appetite for algae make this hermit a reef workhorse.
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 Neon Cichlid
FishParacyprichromis nigripinnis
A peaceful Tanganyikan schooler that hangs vertically against rock walls to spawn.
Blue Neon Goby
FishStiphodon atropurpureus
A thumbnail-sized stream goby that grazes biofilm and occasionally vanishes into the sand.
Blue Notho
FishNothobranchius patrizii
A tiny annual killifish built for life in pools that disappear.
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