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.

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

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