fragilis, Plesiolebias Costa [W. J. E. M.] 2007:21, Figs. 14-15 [Zootaxa No. 1410; ref. 28993] Temporary pool in left rio Formoso floodplains, rio Javaés drainage, rio Araguaia basin, road BR-242, between Formoso do Araguaia and São João do Havaés, 11°47'31.6"S, 49°45'54.7"W, Estado do Tocantins, Brazil. Holotype: UFRJ 6411. Paratypes: MCP 40499 (2); UFRJ 3793 (24), 5049 (8, c&s), 5262 (4), 6412 (2). •Valid as Plesiolebias fragilis Costa 2007. Current status: Valid as Plesiolebias fragilis Costa 2007. Rivulidae: Rivulinae. Distribution: Seasonal swamps of the middle Araguaia basin, Estado do Tocantins, Brazil. Habitat: freshwater.