R.I. Gen. Laws § 20-12-7: Violations as to fish cultivation projects.

No person shall take any fish or fish spawn, or any apparatus used in hatching or protecting fish, from any pond, lake, river, or stream stocked with, or set apart by, the director of environmental management, by any city or town, or by private parties, without the consent of the director, city or town council, or private party, nor shall any person violate any rule or regulation adopted regarding fish cultivation projects.