TMW: THE NATURAL WORLD ( WHAT ARE MUSSELS )
Mussels are molluses are related to water snails becaucuse their shells are divided into two halves they are called bivalves the shell protects the soft body of the animal a powerful foot enables the animal to change its position mussels suck in water and extract the oxygen and food that they require there are both marine and mussels pretecool freshwater mussels also known as naiads inhabit streams lakes and ponds and there are around 1,000 known species the shells are dark blue or dark greenish brown on mussels attach themselves to solid objects or to one another by strands called byssus threads and often appear in dense clusters
FACT FILE
Theoysterctcher is a bird that feeds largerly 0n molluscs such as mussels' clams and oysters they attack them as the tide goes out when their shells are exposed and still partially open
