heckeli, Crenicichla Ploeg [A.] 1989:163, Fig. 1 [Die Aquarien- und Terrarienzeitschrift (DATZ) v. 42 (no. 3); ref. 16268] Cachoeira Porteira, Trombetas system, Pará, Brazil. Holotype: IRSNB 768. Paratypes: INPA 1496-99 (4, 88, 9, 4), 1500-04 (8, 18, 11, 1, 11); IRSNB 769 (11), 20815 (12); NRM 12559 (1), 37075 [ex NRM 12559] (2, c&s); ZMA 120289 (4). •Valid as Crenicichla heckeli Ploeg 1989 -- (Ploeg 1991:87 [ref. 20196], Kullander in Reis et al. 2003:627 [ref. 27061], Staeck 2003:134 [ref. 27488], Sarmiento et al. 2014:189 [ref. 35004], Ito & Rapp Py-Daniel 2015:477 [ref. 33978]). •Valid as Wallaciia heckeli (Ploeg 1989) -- (Varella et al. 2023:2 [ref. 40273]). Current status: Valid as Wallaciia heckeli (Ploeg 1989). Cichlidae: Cichlinae. Distribution: South America: Trombetas River drainage, Amazon basin, Brazil and Bolivia. Habitat: freshwater.