Rugose Pen Shell

Pinna rugosa

Rugose Pen Shell

This big pen shell stands upright in the soft mud of quiet bays and mangrove lagoons, its pointed end buried and anchored by silky threads. It sieves plankton from the water and rarely sits deeper than a few metres.

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

Species data via the World Register of Marine Species (WoRMS), AphiaID 507084.

FAQ

How deep does the Rugose Pen Shell live?
The Rugose Pen Shell (Pinna rugosa) is typically found at 0–5 m.
Is the Rugose Pen Shell dangerous to divers?
The Rugose Pen Shell is harmless to divers.