The Fish and Wildlife Service of the Department of the Interior of the Government of the United States shall act as the primary research agency of the Gulf States Marine Fisheries Commission, cooperating with the research agencies in each State for that purpose. Representatives of the said Fish and Wildlife Service shall attend the meetings of the commission. An advisory committee to be representative of the commercial salt water fishermen and the salt water anglers and such other interests of each State as the commissioners deem advisable may be established by the commissioners from each State for the purpose of advising those commissioners upon such recommendations as it may desire to make.