Is the Great Worm Shell dangerous to divers?

The Great Worm Shell is harmless to divers.

How big does the Great Worm Shell get?

The Great Worm Shell grows to about 45 cm.

Great Worm Shell

Ceraesignum maximum

Group: Other
Max size: 45 cm
For divers: safe

The great worm shell abandons the usual snail life, cementing its long tube into the outer reef and never moving again. It feeds by casting a net of mucus to trap plankton, then hauling the catch back in, and grows to a remarkable length for a snail of about 45 centimetres.

Taxonomy: Animalia › Mollusca › Gastropoda › Littorinimorpha › Vermetidae › Ceraesignum

Species data via the World Register of Marine Species (WoRMS), AphiaID 766307.

FAQ

Is the Great Worm Shell dangerous to divers?: The Great Worm Shell is harmless to divers.
How big does the Great Worm Shell get?: The Great Worm Shell grows to about 45 cm.