Individuals have been observed in shallow, multileveled areas in upper zones of sunny reefs and reef fringes in water temperatures from 22 to 26 degrees degrees Celsius. The blue sea star is extremely sensitive to changes in temperature, oxygen level, and pH.
Range elevation: N/A (high) m.
Range depth: 60 to <1 m.
Habitat Regions: tropical ; saltwater or marine
Aquatic Biomes: reef