MNN Galleries

12 gorgeous animals of the coral reef

June 7, 2013, 12:15 p.m.
butterflyfish

Photo: Anna Norris

3 of 14

Butterflyfish

Butterflyfish have a unique courtship ritual, swimming in circles up close to the surface of the ocean to release eggs and sperm into the water. When the eggs hatch, the young find shelter in the reefs.