signatus, Chalcinus angulatus Garman [S.] 1890:4 [Bulletin of the Essex Institute v. 22 (nos 1-3); ref. 17893] Rio Puty, Brazil about 5°05'S, 42°49'W. Syntypes: MCZ 21267 (17). •Valid as Triportheus signatus (Garman 1890) -- (Malabarba & Lima in Reis et al. 2003:158 [ref. 27061], Malabarba 2004:193 [ref. 28150], Ramos et al. 2014:4 [ref. 35321], Mariguela et al. 2016:132 [ref. 34141], Melo et al. 2016:376 [ref. 35317], Reis et al. 2020:463 [ref. 38364], Silva et al. 2020:9 [ref. 37809], Koerber et al. 2022:32 [ref. 39235], Vieira et al. 2023:18 [ref. 40759], Limeira-Filho et al. 2024:6 [ref. 41573], Lopes & Carvalho 2024:20 [ref. 41343], Malabarba 2024:437 [ref. 40817]). Current status: Valid as Triportheus signatus (Garman 1890). Triportheidae: Triportheinae. Distribution: South America: Paraíba River basin and some northeastern coastal drainages (Brazil). Introduced in the upper Paraná River basin. Habitat: freshwater.