Damselfishes are numerous and common on tropical reefs, and as such are an established element of those habitats. Many of them affect the growth of algae on the reef, encouraging algal growth in some areas while using the algae as a food source. The anemonefishes provide some protection and bring in sources of nourishment for their anemone hosts, and some groups of juvenile damselfishes clean other fishes.

Species Used as Host:

• sea anemones