Did you know some of our marine fish are living DOUBLE LIVES? That’s right, they want the best of both worlds, saltwater and freshwater. So one minute they’re living the dream on a beautiful coral reef, next minute they’ve decided they need a tree change, and they’re swimming up into our rivers. What are they doing there? And importantly – what happens when humans build dams, causeways and other watery traffic jams that block these fish from finishing their migration missions?

• This week's guest: Sean Georgeson, Fish Ecologist and founder of www.coralition.org | www.instagram.com/coralition_org
• Ring the Fish Doorbell (Livestream where you can open the door for migrating fish): https://visdeurbel.nl/en/

Thumbnail Image: Sean and colleague using electrofishing to capture fish for research purposes in New Zealand. Note: Do not attempt this in crocodile inhabited waters in Far North Queensland!

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