Maryland Code, Natural Resources § 4-2A-03

(a) The Secretary shall conduct investigations of the fish resources of the State in order to develop information relating to population, distribution, habitat needs, limiting factors, and other biological and ecological data to determine conservation measures necessary for their continued ability to sustain themselves successfully. On the basis of these determinations the Secretary shall issue proposed rules and regulations not later than July 1, 1976, and develop conservation programs designed to insure the continued ability of fish deemed in need of conservation to perpetuate themselves successfully. The Secretary shall conduct ongoing investigations of the fish resources of the State and may amend these rules and regulations.

(b) The Secretary, by rules and regulations, shall adopt limitations relating to taking, possession, transportation, exportation, processing, sale or offer for sale, or shipment necessary to conserve fish.

(c) Except as provided in rules and regulations adopted by the Secretary, no person may take, possess, transport, export, process, sell, offer for sale, or ship any fish deemed by the Department to be in need of conservation pursuant to this section, nor may any common or contract carrier knowingly transport or receive for shipment any fish deemed by the Secretary to be in need of conservation pursuant to this section.