Natural variantCommon in the tradeBeginner to keep

Rainbow Acan

A variant of Acan coral (Micromussa lordhowensis)

Representative Acan coralphoto — a dedicated image of this exact morph isn't available yet.

Multi-colored *Micromussa lordhowensis* with concentric rings of green, red, orange and blue across each polyp. The classic, widely-traded acan look.

Keeper tips for this variant

Place low in the tank under modest light (PAR ~50-100) with gentle flow, and spot-feed meaty foods at night when the feeder tentacles emerge — high light bleaches the rainbow rings.

This page covers the Rainbow Acan variant. For full husbandry, water params, diet and health —General care: Acan coral →

Other SPS Corals variants

Master / Mummy-Eye Acan Bowerbanki Master / Mastergrade Acan Bullseye Acan Lordhowensis 'Lord' Acan Hellfire / Lava Acan Blue/Purple-rimmed Acan Rainbow Acan (Rainbow Lord)Master Acan (Master Lord)Acan Lord (classic red/green)Bubblegum Acan Fire & Ice Acan Micromussa amakusensis 'Rainbow' (Mini/Micro Acan)Mystery Machine Aussie Lord Tokyo Tart Iron Man Acan F2M Holy Grail Micromussa Rainbow Road TSA Freak Show Micromussa TSA Death Rattle Micromussa TSA Sugar Rush Acan TSA Black Hole Sun Acan TSA Candy Floss Acan Fire and Ice Acan Rainbow Acan Lord Ultra Red Aussie Lord Micromussa amakusensis (Micro Lord) Rainbow