Home > Invertebrates > Sea Stars > Acanthaster planci

Updated 9/21/2014

Family Acanthasteridae


Acanthaster planci

Midway Atoll, 30 feet


Okoe Bay, Hawaii, 40 feet

Kahe Point, Oahu, 25 feet


San Pedro wreck, Waikiki, Oahu, 80 feet

Ho'okena, Hawaii, 50 feet


Frequent at scuba depths feeding upon corals.  Appears fluorescent green at depth; this color is lost under artificial light.  Sharp spines tipped with venom.  Attains nearly 2 feet.  This species is responsible for the decimation of living corals in many tropical areas when population spikes occur.  Hawaii, Indo-Pacific, Tropical Eastern Pacific.