Heavy bonnet
Maximum length: 7 cm
Found on coral rubble and rocks covered with algae.
Lembeh Strait North Sulawesi
Hornet helmet, Giant helmet or Helmet shell
Maximum length: 40 cm
The largest species of the family.
Common on sand.
Photos 1 - 2: Bangka Island North Sulawesi
Photo 3: Lembeh Strait North Sulawesi
Cassis tuberosa
King helmet
Semicassis bisulcata
Japanese bonnet or Globular helmet
Maximum size: 7 cm
It feeds on sea urchins.
The colour of its body is white, pink, pale grey or cream with 4 - 5 bands of brown spots.
It lives on sandy bottoms in shallow waters.
Bangka Island North Sulawesi