Tonna
Tonna is a genus of large, predatory sea snails belonging to the family Tonnidae. These marine gastropod mollusks are commonly known as tun shells due to their rounded, inflated shape. Species within the Tonna genus are found in tropical and subtropical waters worldwide, inhabiting sandy bottoms and coral reefs.
Tun shells are characterized by their thick, heavy shells, which often feature prominent spiral ribs and nodules.
These snails are active predators, feeding on a variety of marine invertebrates, including echinoderms like sea
Reproduction in Tonna typically involves external fertilization, with females laying gelatinous egg masses that are attached