R.I. Gen. Laws § 20-12-3

The department of environmental management shall establish and maintain freshwater hatcheries in this state for the purpose of providing freshwater and anadromous game fish to be used by the department in the stocking of the ponds and streams of the state. All of the output of those hatcheries not so used shall be sold at a fair-market price and for cash only, and the money received shall be turned in to the general treasury for the use of the state.