They live for a century and clean our rivers, but freshwater mussels are dying in droves
Freshwater mussels are dying suddenly and in the thousands, with each mass death event bringing these endangered molluscs closer to extinction. Tragically, these events rarely get noticed. In March last year, for example, seawater was introduced into the lower Vasse River in south-western Australia to control harmful algal blooms. This killed the entire population of Carter's freshwater mussel (Westralunio carteri) in this section of the river.
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