Meet the fish that walks on land, breathes air, and breaks every rule of fish biology; know how

Yet in nature, there are fish supremely adapted to life outside of water. These are amphibious fish-species that have evolved ...
The Spokesman-Review

Ask Dr. Universe: Most fish use gills to breathe, but some have lungs or other ways

When you and I take a deep breath, we pull air into our lungs. That’s because humans are mammals. But fish aren’t mammals. They usually don’t breathe air. They usually don’t have lungs. That’s what I ...