Sometimes, small critters can lodge themselves into the crevices of spiral shells, which are prized by ... break down and replenish that beach with sand. Studies have shown that increasing numbers ...

Unlike many other marine snails, the lightning whelk has a left-handed spiral — an unusual ... prey buried beneath the sand, then use their muscular foot to pry open shells and feed.

Mollusks have a physical bias toward the right, just as most humans are right-handed, and this makes their shells spiral clockwise. (Very rare mutations can produce “left-handed” mollusks ...

Unlike many other marine snails, the Lightning Whelk has a left-handed spiral an unusual ... prey buried beneath the sand, then use their muscular foot to pry open shells and feed.