Feeding pet fish may look simple, but it is one of the most important tasks for keeping them healthy and active. Many new ...

Near a river in the Democratic Republic of the Congo sat a temporary pond, doomed to dry up eventually. Inside swam a “rainbow” creature with “large” yellow eyes. Something about it caught the ...

River Herring is a collective term used to describe both anadromous alewives and blueback herring. The alewife is the more common of the two species in Maine. River herring are anadromous (sea-run) ...

The species was named Sphyragnathus tyche, combining Greek words “sphyra,” meaning hammer and “gnathus,” meaning jaw for the ...

But there are some exceptions, like the upside-down catfish. This wonderful species is a quirky addition to any freshwater ...

The new minnow species, Phoxinus kottelati, is able to change its color pattern during spawning, according to a study. Photo ...