''Stegastes adustus'', also known as the dusky damselfish or scarlet-backed demoiselle, is a species of

damselfish Damselfish are those within the subfamilies Abudefdufinae, Chrominae, Lepidozyginae, Pomacentrinae, and Stegastenae within the family Pomacentridae. Most species within this group are relatively small, with the largest species being about 30 ...

in the

family Family (from la, familia) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its ...

Pomacentridae Pomacentridae is a family of ray-finned fish, comprising the damselfishes and clownfishes. This family were formerly placed in the order Perciformes but are now regarded as being ''incertae sedis'' in the subseries Ovalentaria in the clade Perco ...

. It is found at one- to three-meter depths on surging and wavy

coral Corals are marine invertebrates within the class Anthozoa of the phylum Cnidaria. They typically form compact colonies of many identical individual polyps. Coral species include the important reef builders that inhabit tropical oceans and sec ...

reefs in the Caribbean Sea, the tropical waters of the western Atlantic Ocean, and the

Gulf of Mexico The Gulf of Mexico ( es, Golfo de México) is an oceanic basin, ocean basin and a marginal sea of the Atlantic Ocean, largely surrounded by the North American continent. It is bounded on the northeast, north and northwest by the Gulf Coast of ...

.Froese, Rainer, and Daniel Pauly, eds. (2008). ''Stegastes adustus'' in FishBase. December 2008 version.

Feeding

Adults feed on algae, plants, and

detritus In biology, detritus () is dead particulate organic material, as distinguished from dissolved organic material. Detritus typically includes the bodies or fragments of bodies of dead organisms, and fecal material. Detritus typically hosts commun ...

. ''S. adustus'' exhibits different feeding behaviors between those that live in coral rubble and patch reef habitats.

References

External links

*http://www.fishbase.us/TrophicEco/DietCompoList.php?ID=12416 * {{Taxonbar, from=Q1981790 adustus Fish described in 1855 Fish of the Atlantic Ocean