toucounarai, Cycla Castelnau [F. L.] 1855:17, Pl. 10 (fig. 1) [Animaux nouveaux or rares v. 2; ref. 766] Rio Tocantins, Amazon River, and Goías, Brazil. Lectotype: MNHN A-9490 (larger specimen). Paralectotypes: MNHN A-9490 (1, smaller specimen). Type catalog: Blanc 1962:208 [ref. 20868]. See Kullander & Ferreira 2006:327 [ref. 28883] for information on types and lectotype designation (p. 330). •Synonym of Cichla monoculus Spix & Agassiz 1831 -- (Kullander 1986:51 [ref. 12439], Kullander in Reis et al. 2003:620 [ref. 27061], Kullander & Ferreira 2006:319 [ref. 28883]). Current status: Synonym of Cichla monoculus Spix & Agassiz 1831. Cichlidae: Cichlinae. Habitat: freshwater.