S.C. Code Ann. § 50-18-190
No person may transfer, damage, vandalize, poison, steal, or attempt to tamper, damage, vandalize, poison, or steal the products or facilities of a permitted aquaculturist. No person may cast or cause to be cast poison, impurities, or other substances which are injurious to hybrids into the waters or water supply for a permitted aquaculture facility. No person may attempt to impair or impede an aquaculturist or his employees while in pursuit of lawful activities associated with aquaculture.