Indo-Pacific
The heart of marine biodiversity — the Coral Triangle, Great Barrier Reef, and surrounding seas hold more reef species than anywhere else on Earth.
1,073 species
Sub-regions
Midas Blenny
FishEcsenius midas
A reef blenny that mimics anthias in color, movement, and social behavior.
Midget Chromis
FishChromis acares
A tiny schooling damsel that brings reef-like energy to modest-sized tanks.
Milkspotted Puffer
FishChelonodon patoca
A schooling puffer from mangrove estuaries that gets surprisingly large.
Mimic Surgeonfish
FishAcanthurus pyroferus
A juvenile master of disguise that grows into a bold reef grazer.
Mirror Basslet
FishPseudanthias pleurotaenia
A rare, large anthias that demands respect, and space, in the reef tank.
Monasteria Microporous Coral
CoralMontipora monasteriata
A tiered plating coral with subtle blue margins and a demanding personality.
Money Cowrie
InvertCypraea moneta
A living relic once traded as currency across cultures worldwide.
Montipora Cap
CoralMontipora capricornis
A plating coral that builds dramatic layered shelves in purple, blue, or brown.
Moon Coral
CoralAstreopora longisepta
A rare Kenyan plating coral that rewards only the most dedicated reefers.
Moorish Idol
FishZanclus canescens
Iconic reef wanderer with a dramatic look that rarely thrives in captivity.
Mound Coral
CoralPorites lutea
A slow-growing mound coral that builds reef foundations over decades.
Multicolor angelfish
FishCentropyge multicolor
A deep-reef dweller with bold coloring that rarely makes it to store shelves.
Multicolor Sea Star
InvertLinckia multifora
A reef sea star that comes in a kaleidoscope of mottled patterns, each one unique.
Multicolour Dottyback
FishOgilbyina novaehollandiae
A vivid reef dweller from the Great Barrier Reef with a bold dual-tone look.
Mushroom Anemone
CoralCorynactis carnea
A low-light, reef-safe coral from the Southwest Atlantic suited to beginners.
Mushroom Coral
CoralCycloseris costulata
A free-living, disc-shaped coral that thrives on sandy reef slopes.
Mushroom Coral
CoralCycloseris curvata
A free-living, disc-shaped coral that thrives on sandy reef floors.
Mushroom Coral
CoralCycloseris cyclolites
A free-living, disc-shaped coral that roams soft sandy bottoms solo.
Mushroom Coral
CoralCycloseris fragilis
A free-living solitary coral that suits beginners and low-flow reef tanks.
Mushroom Coral
CoralCycloseris sinensis
A free-living disc coral that sits loose on the sand rather than anchoring to rock.
Mushroom Coral
CoralCycloseris somervillei
A free-living disc coral that thrives on calm, sandy reef floors.
Mushroom Coral
CoralCycloseris tenuis
A free-living disc coral that roams soft sandy seafloors across the Indo-Pacific.
Mushroom Coral
CoralCycloseris vaughani
A free-living disc coral that thrives on sandy bottoms between reef structures.
Mushroom Coral
CoralDanafungia horrida
A free-living disc coral that can right itself when flipped over.
Mushroom Coral
CoralDanafungia scruposa
A free-living, solitary coral that needs almost no experience to keep.
Mushroom Coral
CoralDiscosoma nummiforme
A tough, flat mushroom coral that thrives where other corals struggle.
Mushroom Coral
CoralFungia fungites
A free-living disc coral that roams the reef on its own terms.
Mushroom Coral
CoralFungia puishani
A free-living disc coral that sits solo on sandy reef floors.
Mushroom Coral
CoralHeliofungia fralinae
A free-living solitary coral with surprisingly simple care needs for reef tanks.
Mushroom Coral
CoralLithophyllon concinna
A low-maintenance plating coral that thrives where flow stays gentle.
Mushroom Coral
CoralLithophyllon repanda
A forgiving, low-flow coral that suits beginner reef tanks well.
Mushroom Coral
CoralLithophyllon scabra
A forgiving reef coral that thrives under modest light and gentle flow.
Mushroom Coral
CoralLithophyllon spinifer
A low-flow, beginner-friendly plating coral with a relaxed reef presence.
Mushroom Coral
CoralPleuractis gravis
A free-living solitary coral that sits on the sand like a living frisbee.
Mushroom Coral
CoralPleuractis moluccensis
A laid-back free-living coral that sits on the sand and asks for very little.
Mushroom Coral
CoralPleuractis seychellensis
A hardy free-living mushroom coral from the warm Indian Ocean reefs.