coeruleus, Theraps Stawikowski [R.] & Werner [U.] 1987:499, Fig. [Die Aquarien- und Terrarienzeitschrift (DATZ) v. 40 (no. 11); ref. 9097] Tributary of Río Mizol Há at Francesco Madero, about 30 kilometers south of Palenque, Mexico. Holotype: ZFMK 15501. Paratypes: ZFMK 15502-05 (4). Type catalog: Herder et al. 2010:131 [ref. 31087]. •Valid as Cichlasoma coeruleus (Stawikowski & Werner 1987) -- (Conkel 1993:152 [ref. 22949]). •Synonym of Theraps lentiginosus (Steindachner 1864) -- (Miller 2006:375 [ref. 28615]). •Valid as Theraps coeruleus Stawikowski & Werner 1987 -- (Allgayer 1989:6 [ref. 20696], Burgess 2000:50 [ref. 24818], Kullander in Reis et al. 2003:643 [ref. 27061], McMahan et al. 2010:1299 [ref. 31111]). •Valid as Rheoheros coeruleus (Stawikowski & Werner 1987) -- (McMahan et al. 2015:224 [ref. 33920], Říčan et al. 2016:43 [ref. 34357], Gómez-Martínez et al. 2022:241 [ref. 39506]). Current status: Valid as Rheoheros coeruleus (Stawikowski & Werner 1987). Cichlidae: Cichlinae. Distribution: Southern North America: Atlantic Slope of Mexico. Habitat: freshwater.