Yeah, in a world with thousands of cool small marine animals, it was pretty dang tough choosing only 50! To help, we enlisted the services of Ned and Anna DeLoach, Eric Riesch and Paul Humann, a dynamic team that has spent years photographing and identifying animals on the world’s reefs. (Go to your bookshelf; you'll probably recognize their names from all your favorite marine ID books.) Without further ado, here's the top 50 small marine animaIs, as Sport Diver sees it. Is your favorite little sea creature on the list?