Tessellate Helmet

Semicassis granulata

Tessellate Helmet

A helmet snail of sandy and rocky seabeds, it ranges from the shallows down to nearly 200 metres and is built to hunt sea urchins, holding them down and rasping through the spiny test. Its sturdy patterned shell can reach about 12 centimetres.

Taxonomy: Animalia › Mollusca › Gastropoda › Littorinimorpha › Cassidae › Semicassis

Species data via the World Register of Marine Species (WoRMS), AphiaID 419784.

FAQ

How deep does the Tessellate Helmet live?
The Tessellate Helmet (Semicassis granulata) is typically found at 0–183 m.
How big does the Tessellate Helmet get?
The Tessellate Helmet grows to about 12.1 cm.