Don't know who Tiffany Shepherd is? She's the science teacher that claimed she was fired from Port St. Lucie High School because of her after-school job as a bikini mate for Smokin' Em fishing charters.

The busty shipmate was arrested Sunday morning for threatening her ex-boyfriend's new flame.

Police say they arrested Shepherd, 30, after she left several text and voice mail messages last month on the cellphone of the 22-year-old woman, challenging her to a fight.

The woman, who said she is dating and living with the father of one of Shepherd's children, told a Fort Pierce police officer that she tried to ignore the messages, but called police because the incessant calls were interrupting her normal activities.

Shepherd was booked for making harassing phone calls which is sure to provide a much needed bump to the women-in-a-prison movie genre during these tough economic times.