The Freshwater Fishes of
Western Ecuador

Map of Major Drainage Systems in Western Ecuador*


*Modified from Gomez (2001). Green represents the low lying areas and brown represents the mountain ranges. The Coastal Mountain Range is the smaller mountain range to the west and the Andes Mountains are the larger range to the east. The red lines delimit the four major drainage systems in western Ecuador.


Individual Maps of Major Drainage Systems (coming soon)

1. Map of Esmeraldas/Santiago System rivers
2. Map of Northern Coastal System rivers
3. Map of Guayas System rivers
4. Map of Southern Coastal System rivers


Created and Maintained by Windsor Aguirre
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Last Updated August 30, 2010