percna, Crenicichla Kullander [S. O.] 1991:356, Figs. 3-4 [Ichthyological Exploration of Freshwaters v. 1 (no. 4); ref. 13610] Rio Xingu drainage, Cachoeira do Espelho, Pará State, Brazil. Holotype: MZUSP 36880. Paratypes: ZSM 27959 (1). Type catalog: Neumann 2011:249 [ref. 31652]. •Valid as Crenicichla percna Kullander 1991 -- (Kullander 1997:284 [ref. 22746], Kullander in Reis et al. 2003:630 [ref. 27061], Varella & Ito 2018:11 [ref. 35884]). •Valid as Lugubria percna (Kullander 1991) -- (Varella et al. 2023:4 [ref. 40273]). Current status: Valid as Lugubria percna (Kullander 1991). Cichlidae: Cichlinae. Distribution: South America: Xingu River drainage, Amazon River basin, Pará, Brazil. Habitat: freshwater.