R.I. Gen. Laws § 20-11-2

No person shall catch, or attempt to catch, or take any species of fish in any pond or stream stocked with trout by the department of environmental management or in any waters set apart by the department in which trout might be found, except during the open seasons, and subject to the catch and size limits, and regulations as to the method of taking, as established by the director pursuant to § 20-1-12.