These sea snails fly like butterflies, sink like hang-gliders (VIDEO) – Live Science

Some marine snails soar through the water by flapping their squidgy appendages to and fro, similar to butterfly wings now, scientists have discovered that the shape of the snails’ shells also helps them zip through the sea.
The new study, published Sep. 7 in the journal Frontiers in Marine Science
, shows that large snails with slim, elongated shells cut through the water more quickly than small snails with round, coiled shells. The small snails swim slower, in part, due to their small wings, …

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