fluviatilis, Gobiesox Briggs [J. C.] & Miller [R. R.] 1960:2, Pls. 1-2 [Occasional Papers of the Museum of Zoology University of Michigan No. 616; ref. 11899] Barranca de Barranquitas below Barranquitas, Jalisco, 69 miles by highway 15 southeast of Tepic, Nayarit, Mexico. Holotype: UMMZ 177314. Paratypes: ANSP 91025 (1); FMNH 62807 (1); CAS-SU 53206 (1); UBC 59-650 (1); UMMZ 172233 (1), 177315-16 (12, 1); USNM 179686 (1). Type catalog: Böhlke 1984:104 [ref. 13621], Ibarra & Stewart 1987:41 [ref. 12367]. •Valid as Gobiesox fluviatilis Briggs & Miller 1960 -- (Espinosa Pérez et al. 1988:728 [ref. 19198], Espinosa Pérez et al. 1993:31 [ref. 22290], Espinosa Pérez & Castro-Aguirre 1996:125 [ref. 21635], Castro-Aguirre et al. 1999:470 [ref. 24550], Guzmán e al. 2001:97 [ref. 37488], Ferraris in Reis et al. 2003:511 [ref. 27061], Nelson et al. 2004:167 [ref. 27807], Miller 2006:387 [ref. 28615], Scharpf 2009:11 [ref. 30400], Page et al. 2013:173 [ref. 32708], Conway et al. 2017:[9] [ref. 35287], Page et al. 2023:152 [ref. 40505]). Current status: Valid as Gobiesox fluviatilis Briggs & Miller 1960. Gobiesocidae: Gobiesocinae. Distribution: Southern North America: mountain streams, Pacific Slope and central highlands of Chihuahua, Durango, Zacatecas and Jalisco states (Mexico). Habitat: freshwater.