existimatus, Centromochlus Mees [G. F.] 1974:50, Fig. 8 (right) [Zoologische Verhandelingen (Leiden) No. 132; ref. 2969] Harbor of Manos, Amazon River, Brazil. Holotype: ANSP 73154. Paratypes: ANSP 108489 (1); BMNH 1889.11.14.39 (1); CAS 6689 (1), 13399 [ex CAS 6676] (1), 13400 [= CAS 24799] (1); MCZ 7628-31 (2, 1, 5 6), 7635 (2), 7730 (7 + 23 or author error); MNRJ 9413 (2), 9415 (1); ZMUC (1). Type catalog: Böhlke 1984:25 [ref. 13621], Ferraris 2007:73 [ref. 29155]. •Valid as Centromochlus existimatus Mes 1974 -- (Ortega & Vari 1986:14 [ref. 9708], Burgess 1989:242 [ref. 12860], Soares-Porto 1998:333 [ref. 23848], Soares-Porto 2000:282 [ref. 25085], Ferraris in Reis et al. 2003:474 [ref. 27061], Ferraris 2007:73 [ref. 29155], Cooke et al. 2012:2 [ref. 40084], Sarmento-Soares et al. 2013:798 [ref. 33029], Sarmento-Soares & Birindelli 2015:84 [ref. 33780], Grant 2015:4 [ref. 33806] in subgenus Centromochlus, Sarmento-Soares et al. 2017:[9] [ref. 35115], DoNascimiento et al. 2017:85 [ref. 35633], Calegari et al. 2019:[78] [ref. 36961], Sarmento-Soares & Martins-Pinheiro 2020:127 [ref. 37877], Coelho et al. 2021:162 [ref. 38196], Meza-Vargas et al. 2021:22 [ref. 39298]). Current status: Valid as Centromochlus existimatus Mees 1974. Auchenipteridae: Centromochlinae. Distribution: South America: Amazon River basin (Brazil, Colombia and Peru). Habitat: freshwater.