Every year, Nicole and Tom Watson take a trip to Alaska. Like the typical tourist, they enjoy fly fishing and experiencing the untamed wilderness, yet their visit is no ordinary vacation. Among their duffel bags and backpacks, there’s a special piece of carry-on luggage: a carefully sealed container of fish eggs.
Great Lakes Now
https://www.greatlakesnow.org/2021/08/grayling-revival-researchers-native-fish/