515 ILCS 5/1-190

The possession of any aquatic life protected under this Code is prima facie evidence that the aquatic life is subject to all the provisions of this Code, including administrative rules. Whenever the contents of any box, barrel, package, or receptacle consists partly of contraband and partly of legal aquatic life or any part of aquatic life, the entire contents of the box, barrel, package, or other receptacle are subject to confiscation. Whenever a person has in his or her possession in excess of the number of aquatic life or parts of aquatic life permitted under this Code, including administrative rules, the entire number of aquatic life or parts of aquatic life in his or her possession is subject to confiscation.