Tiny snails found on Australia's eastern coast can flicker their spiral shells like dim, blue-green light bulbs. Some snails excrete bioluminescent trails of snot or blink their muscly foot to attract ...

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, ...