acestrichthys, Farlowella Pearson [N. E.] 1924:25, Pl. 8 (fig. 2) [Indiana University Studies v. 11 (no. 64); ref. 3396] Rurrenabaque, Río Beni system, upper Amazon, Bolivia. Syntypes: CAS 77322 [ex IU 17009] (3, now 2), UMMZ 66480 [ex IU 17009] (1). Type catalog: Ferraris 2007:238 [ref. 29155]. •Valid as Farlowella acestrichthys Pearson 1924 -- (Isbrücker 1980:96 [ref. 2303], Burgess 1989:440 [ref. 12860]). •Synonym of Farlowella nattereri Steindachner 1910 -- (Retzer & Page 1997:56 [ref. 23176], Isbrücker 2001:27 [ref. 25653], Isbrücker 2002:15 [ref. 27178], Ferraris in Reis et al. 2003:333 [ref. 27061], Retzer 2006:64 [ref. 28957], Ferraris 2007:238 [ref. 29155]). Current status: Synonym of Farlowella nattereri Steindachner 1910. Loricariidae: Loricariinae. Habitat: freshwater.