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Length Shell to 4 " ( 10cm ) Long
Description The blue mussel (Mytilus edulis), also known as the common mussel. One of coastal Btritains commonest Bivalves. They occur in clusters often attached to rock and each other by threads extending from the openings oftheir distinctive blue black shell. Settles in places of long tides
Feeds on algae debris and protozoans
Life Cycle Mussels spawn in spring and theirr larvae remain suspended in currents before settling in other areas
By Rainer Zenz (Self-published work by Rainer Zenz) [GFDL, CC-BY-SA-3.0 or CC BY-SA 2.5-2.0-1.0], via Wikimedia Commons