Species
Browsing 1,466 species. Use the filters below to narrow down.
Blue Blubber Jellyfish
InvertCatostylus mosaicus
Australia's most common jellyfish, surprisingly manageable in a dedicated kreisel tank.
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 Coral
CoralHeliopora coerulea
The only living coral that builds a true blue skeleton.
Blue Crust Coral
CoralPorites branneri
A rare blue encrusting coral that forms textured plates with nodular ridges.
Blue Devil
FishChrysiptera cyanea
Vivid blue and boldly territorial, this tiny fish punches well above its weight.
Blue-finned Triggerfish
FishBalistoides viridescens
The largest triggerfish alive, and it knows it.
Blue Flasher-wrasse
FishParacheilinus cyaneus
A reef-dwelling wrasse that sleeps wrapped in its own slime cocoon every night.
Blue Girdled Angel
FishPomacanthus navarchus
A bold reef resident with one of the most dramatic color transitions in marine fishkeeping.
Blue-green Chromis
FishChromis viridis
A shimmering, peaceful schooling fish that brings reef lagoons to life in your tank.
Bluehead Wrasse
FishThalassoma amblycephalum
A reef-dwelling wrasse with bold color phases and a peaceful community nature.
Blue Jaw Triggerfish
FishXanthichthys auromarginatus
A long-lived, manageable trigger that actually leaves your rockwork alone.
Blue Kumu
FishParupeneus cyclostomus
A reef-flat hunter that uses whisker-like barbels to sniff out hidden prey.
Blue Leg Hermit Crab
InvertCalcinus elegans
Vivid blue legs and a big appetite for algae make this hermit a reef workhorse.
Blue Leg Hermit Crab
InvertClibanarius tricolor
A tiny, tireless reef cleaner with vivid blue legs and a big appetite for algae.
Blue Linckia Starfish
InvertLinckia laevigata
A vivid blue star from Indo-Pacific reefs, built for the patient reef keeper.
Blue-lined Sea Bream
FishSymphorichthys spilurus
A bold reef-associated snapper that grows into a true centerpiece fish.
Bluelined Wrasse
FishCirrhilabrus lineatus
A lavender-and-pink fairy wrasse that turns heads in any reef tank.
Blue-lip Anemonefish
FishAmphiprion latezonatus
A rare Australian clownfish with bold white bands and a surprisingly deep blue lip.
Blue Mushroom Anemone
CoralRhodactis inchoata
A beginner-friendly mushroom coral with an unusually rich blue coloration.
blue puller
FishChromis caerulea
A shoaling reef chromis that brings calm, flowing movement to the mid-water column.
Blue Rainbow
FishScarus guacamaia
The largest Atlantic parrotfish, built for reefs but almost impossible to keep captive.
Blue-ringed Angelfish
FishPomacanthus annularis
A large Indo-Pacific angel whose juvenile and adult look like two different fish.
Blue-scaled Fairy Wrasse
FishCirrhilabrus cyanopleura
A roving reef wrasse that brings shimmering blue flanks to the open water column.
Bluespine Unicornfish
FishNaso unicornis
A true horn-nosed giant that demands a serious reef setup to thrive.
Bluespot Rockcod
FishCephalopholis miniata
A brilliantly spotted reef predator that commands attention in any large display tank.
Bluespotted Jawfish
FishOpistognathus rosenblatti
A colonial burrower that tucks itself in every night like clockwork.
Bluespotted Lagoon Ray
FishTaeniura lymma
A reef ray that looks incredible but rarely thrives in captivity.
Blue-spotted Mudskipper
FishBoleophthalmus boddarti
A fish that walks on mud and breathes air at the tide's edge.
Blue-spotted Puffer
FishArothron caeruleopunctatus
One of the largest puffers you can keep, and surprisingly blue.
Bluestreak Cleaner Wrasse
FishLabroides dimidiatus
The reef's original cleaning service, running a one-fish parasite removal station.
Blue-striped Dottyback
FishPseudochromis springeri
A bold little reef predator wrapped in electric blue and black.
Bluestripe Pipefish
FishDoryrhamphus excisus
A secretive reef pipefish that pairs for life and fits in tight crevices.
Blue Tang
FishParacanthurus hepatus
The fish that plays dead, then rules the reef with bold personality.
Blue Tang
FishAcanthurus coeruleus
A bold Atlantic surgeon fish known for cleaning sea turtles in the wild.
Blue-throat Trigger
FishXanthichthys mento
A rare triggerfish that schools in the wild and stays manageable in a reef setup.