Can live shells live in SW aquariums? The reason I ask is that I grew up as a Navy brat and was lucky enough to be stationed on Guam for 5 years. I had an incredible seashell collection that I gathered from the reef almost every day after school with many having the original critter still living inside. Some of these were even poisonous, if I remember right, but most were homes to hermit crabs. It would be just fabulous to have these in an aquarium.