Where Is Byssus Found?

Byssal, or byssus, threads are strong, silky fibers that are made from proteins that are used by mussels and other bivalves to attach to rocks, pilings or other substrates. These animals produce their byssal threads using a byssus gland, located within the organism's foot.

What is the function of byssus?

A byssus (/ˈbɪsəs/) is a bundle of filaments secreted by many species of bivalve mollusc that function to attach the mollusc to a solid surface. Species from several families of clams have a byssus, including pen shells (Pinnidae), true mussels (Mytilidae), and Dreissenidae.

Where do mussels live?

Habitat: Mussels live in the sand and gravel bottoms of streams and rivers. They require good water quality, stable stream channels and flowing water. Diet: Mussels filter their food out of the water. They eat algae, bacteria, and other small, organic particles filtered from the water column.