crassipinnis, Acara Heckel [J. J.] 1840:357, Pl. 29 (figs. 5-8) [Annalen des Wiener Museums der Naturgeschichte v. 2; ref. 2064] Río Paraguay, Cáceres (formerly Villa María) and Caiçara, Río Guaporé near Mato Grosso, Rio Negro, Rio Branco, South America. Syntypes: (at least 5) NMW 58776 (1); NMW 24261 (1), 92455 (1, dry); SMF 2926 [ex NMW in 1844] (1). Type catalog: Kullander 1986: [ref. 12439]. •Valid as Astronotus crassipinnis (Heckel 1840) -- (Kullander 1986:70 [ref. 12439], Ortega & Vari 1986:20 [ref. 9708], Lasso et al. 2001:101 [ref. 25928], Kullander in Reis et al. 2003:617 [ref. 27061], Kullander in Reis et al. 2003:617 [ref. 27061], Koerber 2011:8 [ref. 31122], Koerber 2014:14 [ref. 33621], Sarmiento et al. 2014:123, 188 [ref. 35004], Mirande & Koerber 2015:56 [ref. 35117], Koerber 2016:142 [ref. 35012], Koerber et al. 2017:76 [ref. 35267], Careaga et al. 2020:77 [ref. 37774], Hablützel & Huanto 2020:50 [ref. 37939], Reis et al. 2020:471 [ref. 38364], Lozano et al. 2022:123 [ref. 39396]). Current status: Valid as Astronotus crassipinnis (Heckel 1840). Cichlidae: Cichlinae. Distribution: South America: Argentina, Bolivia, Brazil and Paraguay. Habitat: freshwater.