Clear Lake lies within the Upper Cache Watershed, as defined by the United States EPA. The Watershed is represented by an 8-digit Hydrologic Unit Code (HUC). Visit the EPA's "Surf Your Watershed" website to learn more about the Upper Cache Watershed.
The California Fish Website provides information about the native fish species in the Upper Cache Watershed. Note that if a species occurs in any sub-watershed within the HUC, the species will appear within the HUC.
Visit the Native and Introduced fish pages to the left for information and photos about ALL the fish species from Clear Lake!