Finned Bubblehorn

The finned bubblehorn replaced its ancestor the anemone bubblehorn. It has returned to its detritivore ways, but has not given up filter feeding either. Its long trunk sifts through sand for decaying matter or can suck in water and filter it back out through many hairs in the cone of the trunk. It is also much more mobile than its ancestor and swims around on 10 sea turtle-like fins. Its shell has a water bladder just like a fish and can keep it buoyant in the water. It uses its bubblehorns to smell where it is going. It has a similar breathing system to its ancestor except it can fill up the air bladder as well as the intestine-like lung. Eggs are laid on rocks on the sea floor. They are attached to the rocks by a sticky ‘glue’ that encapsulates the eggs and hardens quickly, as an egg that floats would be preyed upon by flying predators.