Rough Pen Shell

Pinna rudis

Rough Pen Shell

A large fan shaped pen shell, the rough pen shell stands point down in the seabed of shallow coral reefs, anchored by fine threads. Its broad shell can reach well over half a metre, and it filters food from the water while half buried.

Taxonomy: Animalia › Mollusca › Bivalvia › Ostreida › Pinnidae › Pinna

Species data via the World Register of Marine Species (WoRMS), AphiaID 140781.

FAQ

How deep does the Rough Pen Shell live?
The Rough Pen Shell (Pinna rudis) is typically found at 0–26 m.
How big does the Rough Pen Shell get?
The Rough Pen Shell grows to about 56.5 cm.