7,000 years ago, humans carried trout past waterfalls into mountain lakes

In a remarkable feat 7,000 years ago, ancient hunter-gatherers transformed Norwegian mountain lakes by introducing brown trout.

Archaeologists discovered remnants of intricate fish traps from 5000 BC, highlighting how these early communities intentionally manipulated their ecosystems for sustainable food resources.

They even transported live fish through rugged landscapes, paving the way for the fisheries we know today, where anglers still catch their ancient descendants. ...