How deep does the Stiff Pen Shell live?

The Stiff Pen Shell (Atrina rigida) is typically found at 0–27 m.

How big does the Stiff Pen Shell get?

The Stiff Pen Shell grows to about 30 cm.

Stiff Pen Shell

Atrina rigida

Group: Other
Typical depth: 0–27 m
Max size: 30 cm

This pen shell stands buried upright in shallow seagrass and fine sand, with only the broad rear edge of its shell showing above the bottom. It can reach about 30 centimetres, and the giant horse conch is among the predators that hunt it down in the meadows.

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

Species data via the World Register of Marine Species (WoRMS), AphiaID 420739.

FAQ

How deep does the Stiff Pen Shell live?: The Stiff Pen Shell (Atrina rigida) is typically found at 0–27 m.
How big does the Stiff Pen Shell get?: The Stiff Pen Shell grows to about 30 cm.