Engage in Commercial Lobster Pot Fishing to take and land lobsters, crabs (excluding blue crabs), horseshoe crabs, sea scallops, squid, finfish (except for American shad or bait species) and whelk (See Whelk Fishing License) for personal use or for sale. Either the Principal Commercial Fishing License or the Commercial Lobster Pot Fishing License can be held; both are not required. A Commercial Fishing Vessel Permit is required.