hendrichsi, Rivulus Álvarez [J.] & Carranza [J.] 1952:281, Figs. 1-2 [Ciencia (Mexico City) v. 11 (nos 10-12) 1951; ref. 12633] Salto de Agua, Chiapas, southeastern Mexico. Holotype: IBUNAM (number unknown). Paratypes: (22) UMMZ 163237 (2), CAS-SU 17487 (2). Type catalog: Böhlke 1953:54 [ref. 12291], Huber 1992 [ref. 20639]. •Synonym of Rivulus tenuis (Meek 1904) -- (Huber 1992:233 [ref. 20639], Lazara 2001:285 [ref. 25711], Costa in Reis et al. 2003:539 [ref. 27061], Miller 2006:208 [ref. 28615]). •Valid as Cynodonichthys hendrichsi (Álvarez & Carranza 1952) -- (Costa 2011:242 [ref. 31655]). •Synonym of Cynodonichthys tenuis Meek 1904. Current status: Synonym of Cynodonichthys tenuis Meek 1904. Rivulidae: Rivulinae. Habitat: freshwater.