Kalypsos

Kalypsos is a genus of small, predatory marine gastropod mollusks in the family Muricidae, commonly known as murex snails or rock snails. These snails are characterized by their ornate shells, often featuring spines, knobs, or ridges. The shell morphology can vary significantly between species and even within populations, making identification challenging. Kalypsos are typically found in shallow to moderate depths on rocky substrates, coral reefs, and sandy bottoms, inhabiting tropical and subtropical waters worldwide.

These carnivorous snails are active predators that feed on a variety of benthic invertebrates, including bivalves, other gastropods, and polychaete worms. They use their radula, a ribbon-like structure with teeth, to bore through the shells of their prey or to pry them open. Some species are known to be quite aggressive hunters. The reproductive cycle of Kalypsos generally involves external fertilization, with females laying egg capsules that are attached to hard surfaces. The development of the young can be direct or involve a planktonic larval stage.

The family Muricidae, to which Kalypsos belongs, is known for its diverse shell shapes and historical significance. Some murex species have been historically harvested for the production of Tyrian purple dye, a vibrant and expensive pigment. While Kalypsos species themselves are not typically harvested for dye production, their shells are often collected by shell enthusiasts due to their aesthetic appeal. Their ecological role as predators helps to regulate populations of their prey species within their marine habitats.