Giant California Sea Cucumber (Parastichopus californicus). Aspect ratio = 1:1.
A Rainbow Star (Orthasterias koehleri) on a reef covered with Banded Brittle Stars (Ophiura luetkenii). Aspect Ratio = 4:5
Sunflower Sea Star (Pycnopodia helianthoides). The sunflower sea star is a common sea star that is distributed from the Aleutian Islands to San Diego, California and found from the inter-tidal to depths of 400m. Photographed underwater in British Columbia. Phylum Echinodermata, Class Asteroidea, Order Forcipulatida, Suborder Asteriadina, Family Asteriidae. Aspect ratio = 2:3.