Animals protect themselves from being eaten by other animals in countless ways. Some are commonplace. Others are ...

You can’t deny the beauty of these fish, regardless of your personal preferences. From the precision of the lines on an ...

Common toads can fill up their bodies with air, a ploy that sometimes works with a snake that must swallow all of the prey or ...

As thousands of dead octopuses, lobsters and fish lie dying or dead along Swakopmund beaches, the debate continues about what could have been the cause. Whatever it is, it’s bad news for the fragile ...

Tidy tank, tidy mind. A clean tank is critical for happy and healthy fish, so check out the best fish tank cleaners. Clean ...

Thomas, DL7BO will be active as XU7O from Cambodia, starting 14 April 2025. He will operate on HF Bands. Recent DX Spots XU7O ...

Here are our favorite types of freshwater fish you can keep as a pet. If you're in the throes of setting up a home aquarium, ...

Enjoy five days' worth of comprehensive daily lesson plans, engaging activity worksheets, graphic organizers and more!

A pending world-record alligator gar caught by Art Weston is the heaviest freshwater fish ever landed on 2-pound test.

A new study reveals significant changes in the global freshwater oxygen cycle. Rivers, streams, lakes, and reservoirs aren’t ...