Great Lakes Now

Invaders on the Menu

Clip: Episode 20 | 8m 2s | Video has closed captioning.

Zebra mussels and round goby invaded the Great Lakes decades ago. Since then, these non-native species have impacted the existing ecosystem. But now scientists are finding native species are benefiting in some ways from their presence.

Aired: 11/24/20

Rating: NR

Problems Playing Video? | Closed Captioning

Great Lakes Now is a local public television program presented by DPTV.