Life History, Abundance, Activity, and Special Behaviors
Like many other amphibians in central California, this species has suffered from habitat lost due to the conversion of land for agricultural and urban uses (Fisher and Shaffer 1996). In Sonoma County, 95% of the salamander's preferred vernal pool and grassland/oakland habitat has been lost. The Sonoma population was classified as Endangered in 2003, and the Santa Barbara population of Ambystoma californiense was listed as Endangered in 2000. Another threat comes from the introduction of predatory fishes such as the mosquitofish, which is still used as a method of mosquito control. California Tiger Salamanders also seem to have been adversely affected by the 1986-1990 California drought, which led to a decrease in suitable breeding habitat.
- Fisher, R. N., and Shaffer, H. B. (1996). "The decline of amphibians in California's Great Central Valley." Conservation Biology, 10(5), 1387-1397.
- Petranka, J. W. (1998). Salamanders of the United States and Canada. Smithsonian Institution Press, Washington and London.
- Shaffer, H. B., and McKnight, M. L. (1996). ''The polytypic species revisited: differentiation and molecular phylogenetics of the Tiger Salamander Ambystoma tigrinum (Amphibia: Caudata) complex.'' Evolution, 50, 417-433.
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