These are damsel fish, found in the warm waters of the Indian Ocean. Apparently they become darker in colour as they age. Photo courtesy Katja Rockstroh.
Visit the Aquarium to meet more of our fantastic fish in the Indian Ocean Gallery.
Show us your pics!
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!