Saltwater and freshwater fish tanks are enjoyable to have around the home. But is one better for beginner tank owners than the other?

Cardinal tetras are famous for their glowing blue and bright red stripes that run across their bodies. People often mix them up with neon tetras, but cardinal tetras have a bright red line that goes ...

The quarter-sized creatures briefly surfaced during a water-quality survey, offering a fleeting glimpse of a species that ...

Minnesota DNR says there are only a handful of verified sightings of this rare species of freshwater jellyfish in Minnesota.

In this video, we explore a crystal clear stream to catch a variety of fish and freshwater invertebrates, which we then feed ...

From time to time, curious tales of “fish rain” grab media attention: fish seemingly fall from the sky, far from any bodies ...

Mary Ann Thomas Monday, Sept. 30, 2019 3:28 p.m. | Monday, Sept. 30, 2019 3:28 p.m. The Pennsylvania Fish and Boat Commission confirmed Monday that an invasive species, the northern snakehead fish, ...

Valuable eels are in decline all over the world, leading to a new push for restrictions on trade to try to help stave off ...

A University of Cambridge-led team has analyzed giant anaconda fossils from South America to deduce that these tropical ...

Maryland Gov. Wes Moore led the Chesapeake Bay Program’s Executive Council in approving the revised Chesapeake Bay Watershed ...

A juvenile orange-fronted parakeet seized by the U.S. Fish and Wildlife Service Office of Law Enforcement at the Otay Mesa ...