Variation in land-snail shell form has been extensively documented, but its causes are poorly understood. For no character are there general rules relating shell form to environmental characteristics, ...

Generally, a shell is an evolutionary trait that allows a creature to retreat from predators. This is the case for almost all snails. But at least two species of snails use their shell in a much more ...

Berkeley -- Biologists have tracked down genes that control the handedness of snail shells, and they turn out to be similar to the genes used by humans to set up the left and right sides of the body.

At the time of the attack on the castle at Shimabara, Tazaki Geki was wearing very resplendent armor. Lord Katsuhige was not pleased by this, and after that every time he saw something showy he would ...

Hermit crabs are generally awesome. They use snail shells, and sometime shells of other mollsucs, to protect their non-skeletonized squishy backends. Some are even adapted to live in burrows coral, ...

Of the many mysterious things you can find while beachcombing, one of the most difficult to understand is (I think) the egg collar of the moon snail. These beautifully-sculpted ribbons of sand show up ...