Cassis Cornuta Female
The Horned Helmet shell Cassis cornuta is a large carnivorous Gastropod, which lives in the shallow waters of lagoons, on sandy sea floor along the northern reaches of the Great Barrier Reef, and across the Indo - Pacific. This mollusc is generally found in colonies, although individuals may be dispersed over a wide area. The female is more rotund, is larger shelled, and has uniform smaller knobs on the shoulder of the shell.
The size of this shell is approximately 70mm length(small), 130mm length (medium), 200mm (Large) and 280mm (Extra large).