Sparisoma choati, a new species of Parrotfish (Labridae: Scarinae) from the tropical eastern Atlantic

摘要

The parrotfish Sparisoma choati is described from the tropical eastern Atlantic Ocean. It is genetically unique and also differs from its congeners by coloration as follows: initial phase individuals and females greyish brown to greyish red, with chinand belly paler and reddish brown scales irregularly distributed along flanks resulting in a general mottled appearance; terminal phase individuals with brownish red head and upper half of anterior two-thirds of body, ventral portion of central third ofbody bright yellow-green, posterior third of body dark greenish gray and dark spot on upper fifth of pectoral fin base. The new species is found in rocky reefs along the coast and oceanic islands off West Africa, from Cape Verde and Senegal south to theislands of Sao Tome and Principe and Angola.