Moon snails (Euspira heros) are a large round snail with a huge mantle/foot which not only extends out past their shell but envelops it as well. At times it covers all but the very top of its shell.

There Is Something Odd Going On Inside The Moon, Watch These Snails Lay Eggs Through Their Necks, And Much More This Week. Story by Charlie Haigh • 1h. T his week, ...

Fully grown, the Lewis’ moon snail can grow up to 5.5 inches. The Washington State Department of Ecology calls it a “voracious predator,” whose favorite dinner is clams.

Moon snails get around using what's scientifically referred to as a foot. But there's little similarity between the sinusoidal undulations and contortions of a snail's foot with the durable but ...