A group of ochre sea stars (Pisaster ochraceus), British Columbia, Canada, North America

This sunflower star is the largest of species in the Pacific Northwest and is a voracious carnivore.

Sea star in the clear water of the fine sandy beach, Skagsanden, Ramberg, Nordland county, Lofoten Islands, Arctic, Northern Norway, Scandinavia, Europe

Crown-of-thorns sea star (Acanthaster planci) on dead coral. Heron Island. Great Barrier Reef. Queensland. Autralia.

Detail of Blue Spiny Starfish, Coscinasterias tenuispina, Santa Maria Island, Azores, Portugal, Atlantic Ocean

Estrella sea star (Labidiaster annulatus) is a species of starfish in the family Heliasteridae. It is found in the cold waters around Antarctica and has a large number of slender, flexible rays. Antarctic Peninsula, Antarctica