Foreign species are invading the Great Lakes in numbers and varieties that are continuously, profoundly and drastically reconfiguring our aquatic ecosystems. What do we need to know and how can we play a role in preventing the introduction and spread of invasives is this week’s topic on Blue Fish Radio.

Listen to hear Lawrence Gunther speak with biologist Rachel Barrington about her work to inform and inspire people to fight invasives, and what happens when we lose.