The octopus is a cephalopod mollusc, most closely related to squid, cuttlefish, and the chambered na

A “Living Fossil” With an Unusual Lifestyle The nautilus, whose beautiful shell has insp

The cuttles (sometimes known as cuttlefish) are not fish, but cephalopod molluscs – most close

Despite their reputation as “killer clams”, these colorful bivalves do not eat fish or p

The Triton’s trumpet snail is the largest snail in Hawaiian waters — it’s steeply spiral shell may r

Cowry snails usually inhabit rocky and coral areas where they browse on algae, or encrusting inverte

This species is the most common cowry snail in the Hawaiian Islands. It is found in shallow water un

Limpets(called ‘opihi Hawai‘i) are common snails found on rocky shores throughout the world. But the