Section 506.050 - Federal and state fish cultural operations and scientific investigations; commission to propagate fish and to stock waters(1) The United States Fish and Wildlife Service, the State Fish and Wildlife Commission and their duly authorized agents may conduct fish cultural operations and scientific investigations in the waters of this state in such manner and at such times as may be considered necessary and proper by the service, the commission or their agents.(2) The commission shall propagate and stock the waters of this state with such fish as it considers proper.