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Variegated Scallop

Last updated: 1 September 2010
  • Picture of a Variegated Scallop (Chlamys Varia). Picture courtesy of Roy Anderson.the variegated scallop is up to 6.5cm in length
  • this attractive bivalve molluscOpens in new window. shows very variable colouration, being off-white,
  • yellow, pink, orange, brick-red, purple, greenish-brown or brown, often with bands or patches of darker or lighter colour
  • the inner surface of shell is glossy, often coloured the same as the exterior
  • scallops move from one place to another by quickly "clapping" their valves together and ejecting water, creating a type of jet propulsion
  • the variegated scallop is common in the sheltered waters of Northern Ireland, particularly Strangford Lough
  • variegated scallop form part of the horse mussel community in Strangford Lough
  • it has a close association with sponges which often cover the shell
  • this species has undergone a rapid decline
  • the main threat is the impact of commercial fishing gear
  • look for variegated scallop around the low zone of the shores of Strangford Lough avoiding the muddiest areas
  • it is rare outside the lough, with scattered records off Ards and south Down, Rathlin Island, Dundrum Bay, Carlingford Lough, Skerries and Murlough Bay