Ameca River

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The Río Ameca is a river of some 230 km in length in western Mexico. It rises in the Bosque de la Primavera in Jalisco, 23 km to the west of state capital Guadalajara; flows through the city of Ameca; and then forms the boundary between Jalisco and Nayarit on its way to the Pacific Ocean, where it drains into the Bahía de Banderas at Puerto Vallarta, Jalisco. Its main tributaries are the Ahuacatlán and Amatlán de Cañas.

The Ameca has been dammed just north of the town of La Vega, Jalisco, forming a reservoir, the Lago La Vega which extends northward to the town of Teuchitlan.

Ameca shiner[edit]

This was the only place that a unique fish, the Ameca shiner, occurred until April 21, 1969.[1]

Coordinates: 20°40′21″N 105°16′52″W / 20.6725°N 105.281°W / 20.6725; -105.281


  1. ^ Miller, Robert R.; Williams, James D.; Williams, Jack E. (1989). "Extinctions of North American Fishes During the past Century". Fisheries. 14:6: 22–38. doi:10.1577/1548-8446(1989)014<0022:EONAFD>2.0.CO;2. Retrieved 5 October 2015.