narcissus, Corydoras Nijssen [H.] & Isbrücker [I. J. H.] 1980:497, Fig. 2 [Netherlands Journal of Zoology v. 30 (no. 3); ref. 8680] Creek into Rio Ipixuna, 7°31'S, 63°16'W, 30 kilometers west of Humaitá, Rio Purus system, Amazonas, Brazil. Holotype (unique): ZMA 115178. Type catalog: Nijssen et al. 1982:47 [ref. 19236], Ferraris 2007:120 [ref. 29155]. •Valid as Corydoras narcissus Nijssen & Isbrücker 1980 -- (Nijssen & Isbrücker 1980:218 [ref. 6910], Burgess 1989:366 [ref. 12860], Isbrücker 1999:41 [ref. 24040], Isbrücker 2001:230 [ref. 26805], Reis in Reis et al. 2003:300 [ref. 27061], Ferraris 2007:120 [ref. 29155], Britto et al. 2009:687 [ref. 30609], Tencatt & Ohara 2016:[12] [ref. 34353], Tencatt & Ohara 2016:432 [ref. 34627], Tencatt et al. 2019:[14] [ref. 36697], Bentley et al. 2021:196 [ref. 38185], Dias et al. 2024:23 [ref. 41219]). Current status: Valid as Corydoras narcissus Nijssen & Isbrücker 1980. Callichthyidae: Corydoradinae. Distribution: South America: Purus River drainage, middle Amazon River basin, Brazil. Habitat: freshwater.