South Dakota Codified Laws
Chapter 13 - Protection Of Fishing Waters
Section 41-13-6 - Additional species to be treated as rough fish.

41-13-6. Additional species to be treated as rough fish.
In addition to rough fish as defined in chapter 41-1, the Game, Fish and Parks Commission may by rule adopted pursuant to §41-2-18 declare one or more species of game fish to be considered and treated as rough fish in any particular waters when the action is necessary or advisable to maintain a desirable fish population.

Source: SDC 1939, §25.0607 as enacted by SL 1961, ch 120, §2; SL 1984, ch 273, §90.