audax, Characodon Smith [M. L.] & Miller [R. R.] 1986:3, Figs. 2-3 [American Museum Novitates No. 2851; ref. 5711] Pond at El Ojo de Agua de Las Mujeres, near the village of El Toboso (24°16'35"N, 104°34'50"W), Durango, Mexico. Holotype: UMMZ 213302. Paratypes: AMNH 57006 (20); ANSP 157641 (20); UMMZ 211061 (36), 213303 (1, allotype), 213312 (168), 213319 (4); USNM 274718 (20). •Valid as Characodon audax Smith & Miller 1986 -- (Espinosa Pérez et al. 1993:40 [ref. 22290], Nelson et al. 2004:107 [ref. 27807], Miller 2006:278 [ref. 28615], Scharpf 2007:27 [ref. 30398], Page et al. 2013:104 [ref. 32708], Huber 2019:25 [ref. 36941], Lyons et al. 2019:134 [ref. 37104], Page et al. 2023:144 [ref. 40505]). Current status: Valid as Characodon audax Smith & Miller 1986. Goodeidae: Goodeinae. Distribution: North America: El Ojo de Agua de Las Mujeres, Durango (Mexico). Habitat: freshwater.