| northernmost record of a poorly known tuskfish, choerodon margaritiferus (perciformes: labridae), from southern japan, and first description of a female. | we describe 5 specimens of choerodon margaritiferus fowler and bean, 1928 (94.5-107.0 mm standard length, 1 male and 4 females) collected near okinawa island, southern japan. this is the northernmost record of this species and the first record of it in japanese waters; until now, c. margaritiferus was recorded only from the western central pacific. this species was originally described on the basis of 1 male specimen, and all additional specimens described in the literature were also male. morph ... | 2015 | 26623789 |