Grey Bonnet

Phalium glaucum

Grey Bonnet

A heavy, helmet shaped snail of exposed sand flats, the grey bonnet hunts sand dollars near dead coral in shallow subtidal water. Females spawn together, their egg capsules forming a single irregular communal mass.

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

Species data via the World Register of Marine Species (WoRMS), AphiaID 217006.

FAQ

How deep does the Grey Bonnet live?
The Grey Bonnet (Phalium glaucum) is typically found at 0–10 m.
Is the Grey Bonnet dangerous to divers?
The Grey Bonnet is harmless to divers.
How big does the Grey Bonnet get?
The Grey Bonnet grows to about 14 cm.