These will be a collection of monsters called ocean crawlers. There are many types of them, each dangerous in a different way. There are electric crawlers, characterized by they eel they use as a whip, they can electrify you and shoot electricity. there are poison crawlers, characterized by the giant clam for a head, they can spew poison and burrow underground. And there are the Giant Crawlers, they are very big and red, they have to most health and do the most damage, but they are very slow. Each ocean crawler has a chance to drop a siren gem.