The shell of Pecten maximus is quite robust and is characterised by having "ears" of equal size on either side of the apex. The right, or lower, valve is convex and slightly overlaps the flat left, or upper, valve, which is flat. Larg… See more

Pecten maximus occurs in the eastern Atlantic along the European coast from northern Norway, south to the Iberian peninsula, it has also been reported off West Africa, off the Macaronesian Islands. In Great Britai… See more

Pecten maximus frequently creates a slight hollow in the substrate to lie in by opening and closing the for its shells to eject water from the mantle cavity, which raises the shell at an angle to the substrate so that subsequen… See more