
(Salmo salar)
Introduced through planned and unplanned escapes from fish farms

(Salmo salar)
Introduced through planned and unplanned escapes from fish farms

(Dreissena polymorpha)
Zebra mussels have disrupted the traditional aquatic food chains of many inland lakes. Their voracious filter feeding depletes the availability of microscopic organisms that play a critical part in each lake’s ecological food web.