Common Mussel - Mytilus Edulis
Suitable DisplayRockpool Tank
Have a blue colour covered by black outer layer.
Up to 7cm in length.
Life expectancy can be up to 15 years.
Adverse environmental conditions reduce size of mussel e.g. temperature, tidal exposure.
Widespread on rocky foreshore from middle of shore to subtidal.
Form extensive beds on sediment shores (mud to sand) within protected bays and estuaries. Filter feeders. All Britain and Ireland.
Often shows reduced growth due to human activities especially pollution and as a result are used for pollution monitoring.