bleheri, Hemigrammus Géry [J.] & Mahnert [V.] 1986:41, Fig. [Tropical Fish Hobbyist v. 34 (no. 11); ref. 8088] Middle Rio Negro basin, Brazil (probably near Rio Jufaris). Holotype: MZUSP 37369. Paratypes: MHNG 2179.87 (1), 2179.91 (1), 2179.90 and 2239.51 (5), 2239.52 (1). Type catalog: Oyakawa 1996:467 [ref. 23140]. •Valid as Hemigrammus bleheri Géry & Mahnert 1986 -- (Taphorn 1992:224 [ref. 23654], Lima & Oyakawa in Reis et al. 2003:131 [ref. 27061], Carvalho et al. 2010:253 [ref. 30862], Mirande 2010:508 [ref. 31006], DoNascimiento et al. 2017:48 [ref. 35633]). •Valid as Petitella bleheri (Géry & Mahnert 1986) -- (Bittencourt et al. 2020:7 [ref. 37634], Lima 2024:248 [ref. 40817]). Current status: Valid as Petitella bleheri (Géry & Mahnert 1986). Acestrorhamphidae: Megalamphodinae. Distribution: South America: Negro and Meta River drainages, Brazil and Colombia. Habitat: freshwater.