pytai, Hyphessobrycon Géry [J.] & Mahnert [V.] 1993:33, Fig. 1 [Revue française d'Aquariologie Herpétologie v. 20 (no. 2); ref. 21011] Caaguazu, small tributary of Río Güyraugua, near Juan Frutos, Río Monday basin (Parana), Paraguay. Holotype: MHNG 2543.86. Paratypes: MHNG 2543.87-89 (5, 1 c&s). Type catalog: Weber 1998:8 [ref. 32707]. •Valid as Hyphessobrycon pytai Géry & Mahnert 1993 -- (Lima & Malabarba in Reis et al. 2003:139 [ref. 27061], Koerber et al. 2017:41 [ref. 35267]). Current status: Valid as Hyphessobrycon pytai Géry & Mahnert 1993. Acestrorhamphidae: Hyphessobryconinae. Distribution: Güyraugua River basin, Paraguay. Habitat: freshwater.