As life on earth evolved, billions of creatures made the move from primordial ooze to life on land. For most, that eons-long transformation was a one-way trip. With the exception of amphibians—which ...

The old idiom of being a fish out of water is never a positive thing. Instead, it paints a picture of being uncomfortable or awkward. This is how most fish feel when they are removed from their ...

Some creatures are dimensional travelers. Whether it be squirrels flying through the air or big cats gliding gracefully through deep water, not everyone sticks to one environment. Take the mudskipper ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. Fish aren’t supposed to survive on land. Without being ...

The epaulette shark’s ability to “walk” on land gives it a distinct survival advantage and traces its lineage back to the Jurassic period. When most people picture a shark, they likely imagine a sleek ...

Northern snakeheads are an invasive fish species in Mississippi that threaten the ecosystem. The public is encouraged to kill or freeze northern snakeheads to help control their population. Some ...