Any person who, without the written permission of the owner or lessee of any properly designated oyster ground, tows or assists in towing under water any dredge, trawl or contrivance for taking fish or shellfish, in a manner to cause it to come into contact with any such ground or any shellfish thereon, shall be fined not more than two hundred fifty dollars and shall forfeit his right to fish in the marine district of Connecticut for one year.