The large Mud Mussel is found imbedded in the mud flats of mangrove areas. The mussels prefer the dry areas of mud and are therefore located between the mangroves themselves and dry land. One of the first indications of their presence are the scattered remains of old dry shells.These shells are black or brown in colour and often have a silver “hinge” where the two halves of the shell are joined. Often the shells are deeply pitted revealing a white under-layer. On the outside of all mussel shells are to be found faint radiating lines engraved on the . . .