'Survivor' Villain -- Collared for Mug Shot

TMZ has obtained the mug shot of Russell Hantz -- the "Survivor: Samoa" runner-up who was arrested this morning in Louisiana.

As we first reported, Hantz -- who's currently starring on "Survivor: Heroes vs. Villains" -- allegedly shoved somebody down while partying at the Festival International de Louisiane.

Hantz was arrested by the Lafayette City Police and eventually released.