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The Pupfish
The rare Desert Pupfish has a unique ability to survive in water from near-freezing temperatures to almost 108 degrees Farenheit, and in salinity from almost no salt to twice that of sea water. Growing to only about two and a half inches in length, they are only found in the Anza Borrego Desert State Park and nearby Salton Sea.

The Desert Food Chain
A food chain constitutes a complex network of organisms, from plants to animals, through which energy, derived from the sun, flows in the form of organic matter and dissipates in the form of waste heat. The desert food chain features unique forms of plants and animals capable of surviving conditions of high heat and very little water.