The Scotch Bonnet – Semicassis granulata is a large and striking marine snail species belonging to the family Cassidae, commonly known as helmet shells. The shell of this gastropod is highly sought after by collectors for its distinctive appearance and intricate patterns.
Description & Characteristics
The shell of Semicassis granulata is typically a rich, deep brown color with intricate patterns of white and orange markings. Its surface is covered in numerous small granules, which give the shell its characteristic textured appearance. The Scotch Bonnet can grow to a considerable size, reaching a maximum length of around 15 centimeters (6 inches). The shell is thick and heavy, with a distinctive rounded shape and a wide aperture.
Habitat and Occurrence
The Scotch Bonnet – Semicassis granulata primarily inhabits the tropical and subtropical regions of the Indo-Pacific Ocean. It is a common sight in shallow, sandy and muddy environments, often found in depths ranging from 10 to 50 meters. This species is a regular inhabitant of the neritic zone, a marine zone extending from the shoreline to the edge of the continental shelf.
Taxonomy
The species Semicassis granulata belongs to the Class: Gastropoda, Order: Littorinimorpha, and Family: Cassidae. Gastropods, also known as snails and slugs, are a diverse and abundant group of mollusks characterized by their single, spiraled shell. The Order Littorinimorpha encompasses a wide variety of marine snails, many of which are adapted to life in coastal environments. The Family Cassidae, or helmet shells, are known for their thick, heavy shells with distinctive patterns and markings.
Feeding
The Scotch Bonnet – Semicassis granulata is a predatory snail, feeding on a variety of benthic organisms. Its diet includes sea cucumbers, sea urchins, and starfish, which it captures using its strong radula, a tongue-like structure covered in teeth.
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