75. What is the world’s largest mollusk?

MOLLUSCS ARE A FAMILY OF SHELLED CREATURES THAT INCLUDE SLUGS, snails, clams, and also squid, and octopus. The largest mollusk is the giant squid. These creatures commonly grow 12 feet (3.6 m) long, but specimens are as large as 69 feet (21 m) have been found washed up on the beaches. Scientists know little about these mysterious deep-sea creatures, which have never been seen swimming in the ocean depths.