Fish Like Ale Wives Live in Saltwater but Lay Their Eggs in Fresh Water

This is But Why, a podcast for Curious Kids. Today we're learning about why the sea is salty with Gulf of Maine Research Institute scientist Zach Whitener. Coming up we'll turn over some rocks to see what we can find in the shallows. And have you ever wanted to make a ship in a bottle? We'll learn how it's done coming right up.