Article 2. Mammals of California Fish And Game Code >> Division 3. >> Chapter 3. >> Article 2.
It is unlawful to import or transport any live muskrat (genus
Ondatra) into, or possess any live muskrat in, California except
under permit issued by the department pursuant to Section 2118, or as
otherwise provided by law. A county agricultural commissioner, fish
and game deputy, or state plant quarantine officer may enter upon
lands or waters west of the crest of the Cascade-Sierra Nevada
mountain system, and west and south of the Tehachapi, Liebre, San
Gabriel, San Bernardino, San Jacinto, Cuyamaca, and connected
mountains south to the international boundary, or in any watershed
tributary to, or draining into, the Pacific Ocean to remove or
destroy the muskrats.