Damsels are among the most abundant groups of reef fishes, coming in a wide array of vibrant colors.
Scientific name: Pomacentridae
Pacific sergeant major
Scientific name: Abudefduf troschelii
The Pacific sergeant major is one of three or four closely related species with very similar markings. It was quite abundant on the reefs around La Paz in Baja California, where the above photo was taken.
Yellow Chromis
Scientific name: Chromis analis
Also called: Yellow puller
A Yellow Chromis - Photographed at Anita's Reef in the Similans, Thailand