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Abudefduf saxatilis.jpg
Abudefduf saxatilis near Paraty, Brazil
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Perciformes
Family: Pomacentridae
Subfamily: Pomacentrinae
Genus: Abudefduf
Forsskål, 1775

Abudefduf also known as the sergeant-majors is a genus of fish in the family Pomacentridae.

The name is from Arabic abu, "the one with"; and def, "side", and the intensive plural ending -duf. The name thus means "the one with prominent sides".[1]

General Biology[edit]

The approximately 20 species of Abudefduf may be divided into planktivores and benthivores and three broadly pantropical clades.[2][3][4] Two of the Abudefduf clades are primarily benthivorous and a third clade is composed of planktivores and is the most species-rich. Most diversification has occurred in the last 10 million years within this genus across all clades[5].


There are currently 19 recognized species in this genus:[6]



  1. ^ "International Code of Zoological Nomenclature". Retrieved March 1, 2018. 
  2. ^ Hensley (1978). Revision of the Indo-West Pacific species of Abudefduf (Pisces: Pomacentridae) (PhD thesis). University of South Florida. 
  3. ^ Aguilar-Medrano, Rosalía; Barber, Paul H. (2015-12-17). "Ecomorphological diversification in reef fish of the genus Abudefduf (Percifomes, Pomacentridae)". Zoomorphology. 135 (1): 103–114. doi:10.1007/s00435-015-0291-6. ISSN 0720-213X. 
  4. ^ Frédérich, Bruno; Sorenson, Laurie; Santini, Francesco; Slater, Graham J.; Alfaro, Michael E. (January 2013). "Iterative Ecological Radiation and Convergence during the Evolutionary History of Damselfishes (Pomacentridae)". The American Naturalist. 181 (1): 94–113. doi:10.1086/668599. ISSN 0003-0147. 
  5. ^ Campbell, Matthew A.; Robertson, D. Ross; Vargas, Marta I.; Allen, Gerald R.; McMillan, W.O. (2018-08-14). "Multilocus molecular systematics of the circumtropical reef-fish genus Abudefduf (Pomacentridae): history, geography and ecology of speciation". PeerJ. 6: e5357. doi:10.7717/peerj.5357. ISSN 2167-8359. 
  6. ^ Froese, Rainer, and Daniel Pauly, eds. (2015). Species of Abudefduf in FishBase. February 2015 version.
  7. ^ Wibowo, K., M. Toda and H. Motomura, 2018. Validity of Abudefduf caudobimaculatus Okada and Ikeda 1939 and synonymies of Abudefduf vaigiensis (Quoy and Gaimard 1825) (Perciformes: Pomacentridae). Ichthyological Research v. 65 (no. 1): [1-14] 78-91.