macropterus, Basilichthys nigricans var. Lahille [F.] 1929:346, Fig. 19 [Boletin del Ministerio de Agricultura de la Nación (Buenos Aires) 28 (no. 3) (for July-Sept. 1929); ref. 9887] Malvinas, Río Gallegos, Magellan Straits, Argentina. •Synonym of Austroatherina nigricans (Richardson 1848) -- (Lloris & Rucabado 1991:79 [ref. 22530]). •Questionably a synonym of Odontesthes nigricans (Richardson 1848) -- (Dyer 1998:536 [ref. 23858], Dyer 2000:112 [ref. 26677], Dyer in Reis et al. 2003:522 [ref. 27061]). Current status: Uncertain as Odontesthes nigricans (Richardson 1848). Atherinopsidae: Atherinopsinae. Habitat: freshwater, brackish, marine.