Pinna nobilis, a large Mediterranean clam known as the noble pen shell, is vital to the marine ecosystem but on the brink of extinction due to a deadly parasite. In Croatia, a team of scientists is ...

A huge decline in the number of noble pen shells, an endangered species of Mediterranean clam, is happening in Croatia’s south, as scientists warn that the parasite causing the problem is spreading ...

ANAVYSSOS, Greece (AP) - With rapid efficiency, a mysterious parasite is seeking out and killing a giant species of clam found only in the Mediterranean Sea. Unless scientists can find a way of ...