American alligator, Alligator mississipiensis
['chambered nautilus, pearly nautilus, nautilus', 'lionfish', 'American coot, marsh hen, mud hen, water hen, Fulica americana', 'coho, cohoe, coho salmon, blue jack, silver salmon, Oncorhynchus kisutch', 'flatworm, platyhelminth', 'albatross, mollymawk', 'coral reef']