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Species

Browsing 1,092 species. Use the filters below to narrow down.

Black-winged Hatchetfish

Black-winged Hatchetfish

Fish

Carnegiella marthae

A tiny, deep-chested surface dweller that will absolutely find any gap in your lid.

Bleeding Heart Tetra

Bleeding Heart Tetra

Fish

Hyphessobrycon pyrrhonotus

The rarest bleeding heart tetra, with a vivid red wedge only it can claim.

Bleeding Heart Tetra

Bleeding Heart Tetra

Fish

Hyphessobrycon socolofi

The bleeding heart tetra rewards patient keepers with spectacular male rivalry displays.

Bleher's Rainbowfish

Bleher's Rainbowfish

Fish

Chilatherina bleheri

A brilliantly colored rainbowfish from one remote Indonesian lake, worth every bit of effort.

Bloodfin Tetra

Bloodfin Tetra

Fish

Aphyocharax anisitsi

A hardy, long-lived tetra with vivid red fins and surprising cold tolerance.

Blue Assessor

Blue Assessor

Fish

Assessor macneilli

A cave-dwelling reef basslet that swims upside-down like it owns the place.

Blueback Blue-eye

Blueback Blue-eye

Fish

Pseudomugil cyanodorsalis

A tiny blue-backed rainbowfish relative from Australia's brackish mangrove creeks.

Blue Banded Barb

Blue Banded Barb

Fish

Barbus fasciolatus

A rarely exported African barb with bold vertical bars and crepuscular habits.

Blueberry Shrimp

Blueberry Shrimp

Invert

Neocaridina palmata

A boldly patterned dwarf shrimp that brings real color to planted nano tanks.

Blue Blubber Jellyfish

Blue Blubber Jellyfish

Invert

Catostylus mosaicus

Australia's most common jellyfish, surprisingly manageable in a dedicated kreisel tank.

Blue Botia

Blue Botia

Fish

Yasuhikotakia modesta

A sociable Mekong loach with vivid fins and a complex social life.

Blue Chromis

Blue Chromis

Fish

Chromis cyaneus

A cool-blue schooling fish that brings open-water energy to reef tanks.

Blue Chromis

Blue Chromis

Fish

Chromis cyanea

A cool-blue schooling fish that brings open-water energy to reef tanks.

Blue Cory

Blue Cory

Fish

Corydoras nattereri

A long-lived, sociable bottom-dweller that breathes air and blinks at you.

Blue danio

Blue danio

Fish

Danio kerri

A powder-blue schooling gem from the Malay Peninsula that's rarely seen but easy to keep.

Blue Diamond Characin

Blue Diamond Characin

Fish

Alestopetersius smykalai

A rare West African schooler with a bold diamond marking and fascinating male rivalry displays.

Blue Emperor Tetra

Blue Emperor Tetra

Fish

Inpaichthys kerri

Tiny tetra with big color rivalry. Males glow brightest when competing for attention.

Blue-eyed Catfish

Blue-eyed Catfish

Fish

Amblydoras nauticus

A hardy little catfish that talks in the dark and rarely shows its face by day.

Blue Flasher-wrasse

Blue Flasher-wrasse

Fish

Paracheilinus cyaneus

A reef-dwelling wrasse that sleeps wrapped in its own slime cocoon every night.

Blue-green Chromis

Blue-green Chromis

Fish

Chromis viridis

A shimmering, peaceful schooling fish that brings reef lagoons to life in your tank.

Blue Leg Hermit Crab

Blue Leg Hermit Crab

Invert

Calcinus elegans

Vivid blue legs and a big appetite for algae make this hermit a reef workhorse.

Blue Leg Hermit Crab

Blue Leg Hermit Crab

Invert

Clibanarius tricolor

A tiny, tireless reef cleaner with vivid blue legs and a big appetite for algae.

Blue Linckia Starfish

Blue Linckia Starfish

Invert

Linckia laevigata

A vivid blue star from Indo-Pacific reefs, built for the patient reef keeper.

Blue-lined Rasbora

Blue-lined Rasbora

Fish

Trigonopoma gracile

A delicate blackwater rasbora with variable color forms from Borneo's forest streams.

Bluelined Wrasse

Bluelined Wrasse

Fish

Cirrhilabrus lineatus

A lavender-and-pink fairy wrasse that turns heads in any reef tank.

Blueline rasbora

Blueline rasbora

Fish

Rasbora einthovenii

A peaceful forest-stream rasbora with a charmingly crinkled lateral stripe.

Blue Neon Cichlid

Blue Neon Cichlid

Fish

Paracyprichromis nigripinnis

A peaceful Tanganyikan schooler that hangs vertically against rock walls to spawn.

Blue Neon Goby

Blue Neon Goby

Fish

Stiphodon atropurpureus

A thumbnail-sized stream goby that grazes biofilm and occasionally vanishes into the sand.

Blue Notho

Blue Notho

Fish

Nothobranchius patrizii

A tiny annual killifish built for life in pools that disappear.

blue puller

blue puller

Fish

Chromis caerulea

A shoaling reef chromis that brings calm, flowing movement to the mid-water column.

Blue Ribbon Tetra

Blue Ribbon Tetra

Fish

Hyphessobrycon melanostichos

A feisty little tetra that behaves best when kept in numbers

Blue-scaled Fairy Wrasse

Blue-scaled Fairy Wrasse

Fish

Cirrhilabrus cyanopleura

A roving reef wrasse that brings shimmering blue flanks to the open water column.

Bluespine Unicornfish

Bluespine Unicornfish

Fish

Naso unicornis

A true horn-nosed giant that demands a serious reef setup to thrive.

Bluespotted Jawfish

Bluespotted Jawfish

Fish

Opistognathus rosenblatti

A colonial burrower that tucks itself in every night like clockwork.

Bluespotted Lagoon Ray

Bluespotted Lagoon Ray

Fish

Taeniura lymma

A reef ray that looks incredible but rarely thrives in captivity.

Blue-spotted Mudskipper

Blue-spotted Mudskipper

Fish

Boleophthalmus boddarti

A fish that walks on mud and breathes air at the tide's edge.