regani, Crenicichla Ploeg [A.] 1989:164, Fig. 2 [Die Aquarien- und Terrarienzeitschrift (DATZ) v. 42 (no. 3); ref. 16268] Left tributary to Cachoeira Porteira, Rio Trombetas system, Pará, Brazil. Holotype: IRSNB 766. Paratypes: INPA 861 (8), 864 (3), 1434 (4), 1444 (1), 1795 (4); IRSNB 767 (20); MZUSP 7423 (9); ZMA 119752-53 (7, 2), 120288 (7). •Valid as Crenicichla regani Ploeg 1989 -- (Ploeg 1991:92 [ref. 20196], Kullander in Reis et al. 2003:630 [ref. 27061], Staeck 2003:136 [ref. 27488], Sarmiento et al. 2014:189 [ref. 35004], Ito & Rapp Py-Daniel 2015:477 [ref. 33978], Staeck 2017:237 [ref. 35639]). •Valid as Wallaciia regani (Ploeg 1989) -- (Varella et al. 2023:4 [ref. 40273]). Current status: Valid as Wallaciia regani (Ploeg 1989). Cichlidae: Cichlinae. Distribution: South America: Amazon River basin, Brazil. Habitat: freshwater.