Primitive Technology Idea on MSN

Primitive technology: Freshwater fish trap

In this video, we demonstrate the technique of creating a freshwater fish trap using primitive methods. Observe how natural ...
Mongabay

Earth’s freshwater fish face harsh new climate challenges, researchers warn

Climate change is rapidly altering freshwater ecosystems — raising temperatures, altering flood pulses and oxygen levels — and driving complex, region-specific changes in how fish grow, migrate and ...