Seafood lovers who prize the mussel for its earthy taste and succulent flesh may be unaware of its growing potential in the fight against water pollution. The mussel is the hoover of the sea, taking in phytoplankton for nourishment along with microplastics, pesticides and other pollutants—which makes it an excellent gauge. One day, it may also be pressed into service to cleanse water.

Mussels gauge health of rivers. (2019, August 19). Philippine Daily Inquirer, p. A8.