Spiny starfish can be found on the rocky shores of the Western Cape, and are either orange or blue-grey in colour.
They grow to about 75cm across and their spines are surrounded by a circle of tiny white nippers, which are used to protect and clean the starfish.
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Been to the Aquarium lately? We’d love to see what you saw! If you have images that you’d like to share with us, join the Two Oceans Aquarium Flickr group and you could see your picture on our blog!