The yellow teardrop butterflyfish Chaetodon interruptus in our Oceans of Contrast: Indian Ocean Gallery has a transparent caudal fin. It’s quite plain to see where it gets its name ... Photo courtesy Bakes617.

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!