Beach Walk
MUSSELS

[Mussel drawing] Mussels have strong shells, and feed on detritus and plankton filtered from the sea. Each mussel filters 2 to 3 quarts of water an hour. Mussels attach themselves to rocks & objects by fibers called byssal threads. When the tide leaves them high & dry, they breathe by passing air over their moist gills. Mussels are eaten by sea stars, whelks, & humans. They are raised commercially on rafts in Penn Cove & Holmes Harbor.

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