hermaphroditus, Kryptolebias Costa [W. J. E. M.] 2011:187, Fig. 1 [Ichthyological Exploration of Freshwaters v. 22 (no. 2); ref. 31358] Canal near EMBRAPA, Piracão River basin, a tributary of Sepetiba Bay, Guaratiba, 23°00'18"S, 43°33'35"W, Município do Rio de Janeiro, Estado de Rio de Janeiro, Brazil. Holotype: UFRJ 6863. Paratypes: many at MNRJ and UFRJ. Plus non-type specimens. •Valid as Kryptolebias hermaphroditus Costa 2011 -- (Berbel-Filho et al. 2016:[1] [ref. 34830] on a male, Costa 2016:186 [ref. 34932], Costa et al. 2017:45 [ref. 35684], Silva et al. 2020:14 [ref. 37809], Carvalho-Filho 2023:94 [ref. 40480]). •Synonym of Kryptolebias ocellatus (Hensel 1868) -- (Huber 2017:11 [ref. 35719]). Current status: Synonym of Kryptolebias ocellatus (Hensel 1868). Rivulidae: Kryptolebiatinae. Habitat: freshwater, brackish.