Have you ever heard of a nudibranch? They're colorful mollusks with no shells and you can see them at the Bailey-Matthews National Shell Museum.

This is the “flamingo tongue snail,” one of the most brightly colored snails on the reefs of the South Atlantic. It used to be a common sight, but in recent years has been disappearing, either because ...

Shell colour variation in mollusks is a multifaceted trait governed by complex genetic mechanisms that orchestrate pigment biosynthesis, tissue differentiation and biomineralisation. Studies indicate ...