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

The Noble Pen Shell, part of the Pinnidae family, is found in the Mediterranean Sea and is the largest of all pen shells, reaching up to 4 feet in size. This shell is known for its beautiful copper ...

Flashy iridescent shells might not seem like the best evolutionary strategy for bugs trying to avoid hungry birds. But in recent years, biologists have shown that iridescence—lustrous shifts in color, ...

Univalves (limpets, conchs, whelks and other snails) -- Dentaliums and other tusk shells -- Chitons or coat-of-mail shells -- Bivalves (mussels, scallops and clams) -- Nautilus and squids -- Strange ...