According to law enforcement … several folks notified the California Dept. of Fish and Wildlife, who opened an investigation.

Turns out Chris never got a permit for the exotic pet, so authorities got a search warrant but before Chris’ house got raided, he voluntarily agreed to surrender the animal.

According to our sources … CB could be charged with having a restricted species without a permit, a misdemeanor, that carries a maximum of 6 months in jail. The case has been turned over to the L.A. City Attorney.

Chris’ lawyer, Mark Geragos, tells TMZ, “As I leave my office in Downtown L.A. and walk past people sleeping on the street on my way to defend people charged by the City Attorney with selling medical marijuana … now spending taxpayer money on investigating monkey business, this completes the circle on his absurdity.”

As for Fiji … she’s fine.

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