The Rainbow Star, Orthasterias koehleri, which is the only species of this genus, is found in the north Pacific. Aspect Ratio = 4:5.
The Striped Sun Star, Solaster stimpsoni, is distributed along the coastlines of the north Pacific Ocean from Japan to Alaska to central California. Aspect Ratio = 3:4.
This Giant Green Anemone (Anthopleura xanthogrammica) was photographed while scuba diving in Barkley Sound, British Columbia, Canada, i.e., deeper than the typical intertidal habitat of this species.