Coastal Fishes of Sao Tome and Principe islands, Gulf of Guinea (Eastern Atlantic Ocean) - an update. Author Peter Wirtz Author Carlos Eduardo L. Ferreira Author Sergio R. Floeter Author Ronald Fricke Author Joao Luiz Gasparini Author Tomio Iwamoto Author Luiz Rocha Author Claudio L. S. Sampaio Author Ulrich K. Schliewen text Zootaxa 2007 1523 1 48 http://www.zoobank.org/urn:lsid:zoobank.org:pub:2202520B-A3E7-492D-A932-14463CD6DAF9 journal article z01523p001 2202520B-A3E7-492D-A932-14463CD6DAF9 Alphestes afer (Bloch, 1793) On 4 March 2004, PW photographed a grouper in the fish market of Sao Tome City that was unfamiliar to him. A tissue sample for genetic analysis was also obtained. The fish was identified as Alphestes afer (Bloch, 1793) by P.C. Heemstra and an examination of DNA sequences by M.T Craig also indicated that the specimen was close to western Atlantic specimens of the same species (Craig et al. 2007).