What are some types of starfish?

* Common starfish (_Asterias rubens_): This is the most common starfish in the world, found in all oceans except the Antarctic. It has five arms and a reddish-orange color.

* Sea star (_Pisaster ochraceus_): This starfish is found in the Pacific Ocean, from Alaska to Baja California. It has five arms and a dark reddish-brown color.

* Leather star (_Dermasterias imbricata_): This starfish is found in the Pacific Ocean, from Alaska to California. It has five arms and a leathery texture.

* Sun star (_Solaster papposus_): This starfish is found in the Pacific Ocean, from Alaska to California. It has multiple arms and a bright orange color.

* Brittle star (_Ophiura ophiura_): This starfish is found in all oceans except the Antarctic. It has five arms that are very fragile and can easily break off.

* Cushion star (_Pycnopodia helianthoides_): This starfish is found in the Pacific Ocean, from Alaska to California. It has multiple arms and a bright red color.

* Chocolate chip star (_Leptasterias hexactis_): This starfish is found in the Pacific Ocean, from Alaska to California. It has five arms and a dark brown color with white spots.

* Blood star (_Henricia sanguinolenta_): This starfish is found in the Arctic Ocean and the North Atlantic Ocean. It has five arms and a bright red color.

* Green starfish (_Asterias amurensis_): This starfish is found in the Sea of Japan and the Yellow Sea. It has five arms and a bright green color.