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Species

Browsing 1,911 species. Use the filters below to narrow down.

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-eyed Tropheus

Blue-eyed Tropheus

Fish

Tropheus brichardi

A Lake Tanganyika cichlid that rewards patience with fascinating colony dynamics.

Blue-finned Triggerfish

Blue-finned Triggerfish

Fish

Balistoides viridescens

The largest triggerfish alive, and it knows it.

Bluefin Notho

Bluefin Notho

Fish

Nothobranchius rachovii

A fish that lives fast, dies young, and leaves spectacular eggs behind.

Blue Flasher-wrasse

Blue Flasher-wrasse

Fish

Paracheilinus cyaneus

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

Blue Girdled Angel

Blue Girdled Angel

Fish

Pomacanthus navarchus

A bold reef resident with one of the most dramatic color transitions in marine fishkeeping.

Bluegray Mbuna

Bluegray Mbuna

Fish

Melanochromis johanni

A Lake Malawi rock-dweller with bold colors and bolder attitude.

Blue-green Chromis

Blue-green Chromis

Fish

Chromis viridis

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

Bluehead Wrasse

Bluehead Wrasse

Fish

Thalassoma amblycephalum

A reef-dwelling wrasse with bold color phases and a peaceful community nature.

Blue Jaw Triggerfish

Blue Jaw Triggerfish

Fish

Xanthichthys auromarginatus

A long-lived, manageable trigger that actually leaves your rockwork alone.

Blue Killi

Blue Killi

Fish

Fundulopanchax filamentosus

Ornate West African killifish with flowing fins and a taste for live food.

Blue Kumu

Blue Kumu

Fish

Parupeneus cyclostomus

A reef-flat hunter that uses whisker-like barbels to sniff out hidden prey.

Blue-lined Rasbora

Blue-lined Rasbora

Fish

Trigonopoma gracile

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

Blue-lined Sea Bream

Blue-lined Sea Bream

Fish

Symphorichthys spilurus

A bold reef-associated snapper that grows into a true centerpiece fish.

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-lip Anemonefish

Blue-lip Anemonefish

Fish

Amphiprion latezonatus

A rare Australian clownfish with bold white bands and a surprisingly deep blue lip.

Blue Lyretail

Blue Lyretail

Fish

Fundulopanchax gardneri

A jewel-toned killifish that rewards patient keepers with dazzling color and easy spawning.

Blue Lyretail

Blue Lyretail

Fish

Fundulopanchax gardneri gardneri

A hardy, colorful killifish that's genuinely beginner-friendly and easy to breed.

Blue Lyretail Killifish

Blue Lyretail Killifish

Fish

Aphyosemion gardneri

A brilliantly patterned West African killifish that rewards patient keepers with dazzling color.

Blue Mbuna

Blue Mbuna

Fish

Labeotropheus fuelleborni

A rock-grazing Lake Malawi cichlid with a bold personality and remarkable color diversity.

Bluemouth Cichlid

Bluemouth Cichlid

Fish

Amphilophus nourissati

A bold Central American cichlid from ancient Mayan river country, built for character.

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 Neon Sheatfish

Blue Neon Sheatfish

Fish

Kryptopterus apogon

A massive river predator sometimes sold to unsuspecting buyers as a cute juvenile.

Blue Notho

Blue Notho

Fish

Nothobranchius patrizii

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

Blue Panda Cichlid

Blue Panda Cichlid

Fish

Apistogramma panduro

A tiny Peruvian cichlid with a bold personality and cave-spawning habits.

Blue Perch

Blue Perch

Fish

Badis badis

A color-changing micro-predator that hides, watches, and ambushes with surprising intensity.

blue puller

blue puller

Fish

Chromis caerulea

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

Blue Rainbow

Blue Rainbow

Fish

Scarus guacamaia

The largest Atlantic parrotfish, built for reefs but almost impossible to keep captive.

Blue Ribbon Tetra

Blue Ribbon Tetra

Fish

Hyphessobrycon melanostichos

A feisty little tetra that behaves best when kept in numbers

Blue-ringed Angelfish

Blue-ringed Angelfish

Fish

Pomacanthus annularis

A large Indo-Pacific angel whose juvenile and adult look like two different fish.

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.

Bluespot Rockcod

Bluespot Rockcod

Fish

Cephalopholis miniata

A brilliantly spotted reef predator that commands attention in any large display tank.

Bluespotted Jawfish

Bluespotted Jawfish

Fish

Opistognathus rosenblatti

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