Umbrella Slug

Umbraculum umbraculum is a species of large sea snail or limpet, a marine gastropod mollusc in the family Umbraculidae. It is found in tropical to warm temperate parts of the Indo-Pacific and Atlantic Oceans, where it feeds on sponges. Description The umbrella slug is a large mollusc growing to a length of up to 2... Read more in Seabook