Brown algae is a common problem in many fish tanks, especially those that have been recently set up. It’s not dangerous to fish but can turn your beautiful aquarium into an ugly mess. This slimy layer ...

Warnings will soon be posted in the Delaware Water Gap National Recreation Area advising boaters and fishermen of a new invasive species of algae called Didymo, more commonly known as "rock snot" ...

A clean fish tank looks great and provides a nice home for your fish. Over time, chemicals like nitrates can build up in your fish tank, which leads to a cloudy appearance. Even if you use a fish tank ...

As the sun sets, Jim Dunnigan, Libby Dam mitigation coordinator for Montana Fish, Wildlife and Parks, tosses a mesh bin into the Kootenai River in preparation for a night of electrofishing surveys.