water snake
['sidewinder, horned rattlesnake, Crotalus cerastes', 'grey whale, gray whale, devilfish, Eschrichtius gibbosus, Eschrichtius robustus', 'crayfish, crawfish, crawdad, crawdaddy', 'timber wolf, grey wolf, gray wolf, Canis lupus', 'nematode, nematode worm, roundworm', 'hippopotamus, hippo, river horse, Hippopotamus amphibius', 'leatherback turtle, leatherback, leathery turtle, Dermochelys coriacea']