9. Clownfish

Also known as Anemonefish, Clownfish are some beautiful fish that consist of a yellow/orange body with white stripes along with black lining. They also come in a various displays, but many of them have white bars or patches. The largest reach a length of 18 centimetres (7.1 in), while the smallest barely reach 10 centimetres (3.9 in). Also, you can have your own beautiful Nemo in your aquarium.

10. Rainbow Parrot Fish

This name comes from its calcareous bird-like beaks. They use these beaks to crush and eat the small invertebrates that live in coral. Much of the sand and sea floor of coral reefs are actually remains of meals from the parrot fish, because they chew the coral, eat the invertebrates and spit out the leftover calcium. Parrot Fish is dull red, grey or brown.