The oldest recorded wild Zalophus californianus lived 17 years (Mate, 1979).
In captivity, the oldest recorded Zalophus californianus lived to be 31 years old. The age of Zalophus californianus can be determined by counting the number of rings on cross sections of its teeth (Mate, 1978).
This article is unpublished.
©1995-2008, The Regents of the University of Michigan and its licensors
© The Regents of the University of Michigan and its licensors
Animal Diversity Web
Price, R. 2002. "Zalophus californianus" (On-line), Animal Diversity Web. Accessed April 19, 2009 at http://animaldiversity.ummz.umich.edu/site/accounts/information/Zalophus_californianus.html.
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