Large sea star with many long arms radiating from a central disk.

Sunflower sea star

Pycnopodia helianthoides
Diet Voracious and opportunistic feeder, including mollusks, echinoderms, crustaceans and carrion
Size Diameter: Up to 39 inches (99 cm)
Type Sea stars
Range Eastern Pacific Ocean from Southern Alaska through Canada and United States to Baja California
Habitat Rocky reefs and sand flats in intertidal and subtidal zones

Did you know?

  1. This fast moving sea star can travel up to 10 feet per minute and has been observed traveling almost two miles.
  2. The sunflower sea star is facing significant population declines due to a disease called sea star wasting syndrome which has killed almost 90% of its numbers.