For Emaleigh Kaithern, Sunset Beach Sportsmen’s Club in Lower Township hasn’t changed much since she was 5, when much of it towered above her. The unmistakable barstools scattered about. The logo with a black anchor at the center hanging over the entrance. The blue swordfish arching atop the mirror behind the bar. Over the years, the club has brought a sense of joy and place for dozens, including Kaithern, now 29 and the club’s membership chairperson. But a new feeling has recently cropped up: fear. The New Jersey Department of Environmental Protection’s Division of Fish and Wildlife sent a le…