No boat, or vessel, propelled wholly or in part by steam, naphtha, gasoline, electricity or any other mechanical motive power, shall engage in the catching or taking of shellfish from any of the natural beds, under the tidal waters of this State, while so mechanically propelled, except as otherwise specifically provided in R.S. 50:3-6 and R.S. 50:4-2.
N.J.S. § 50:2-10