The following is an article from The Annals of Imp...  ...;The Biological Effects of Antidepressants on the Molluscs and Crustaceans: A Review,” Peter P. Fong a...  ...rmaceuticals are potentially affected by them.... molluscan reproductive and locomotory systems are affected...

That's a tiny sea mollusk called a chiton, that lives about 50 feet below the water's surface. It's a pretty darned weird animal, but scientists have found something that makes it even more remarkable: it has eyes made o...