hirudo, Acanthurus Bennett [J. W.] 1829:unnum. p., Pl. 11 [A selection from the most remarkable and interesting fishes found on the coast of Ceylon First Edition; ref. 16785] South coast of Sri Lanka. No types known. Sometimes seen as Acanthurus hirundo. •Synonym of Acanthurus triostegus (Linnaeus 1758) -- (Randall 1956:173 [ref. 12221], Pethiyagoda et al. 1994:43 [ref. 21456]). Current status: Synonym of Acanthurus triostegus (Linnaeus 1758). Acanthuridae. Habitat: marine.