Like livebearers, bristlenoses breed fast and are regularly offered to shops in more numbers than they sell (and they can ...

A report has warned of a "catastrophic" decline in freshwater fish, with nearly a third threatened by extinction. Conservation groups said 80 species were known to have gone extinct, 16 in the ...

Meet Betta Fish – your perfect, low-maintenance aquatic buddy! Popular worldwide, these tropical gems thrive in just a 5-gallon well-balanced freshwater tank. Hardy and easy to feed, Betta fish ...

Once found in tropical oceans around the world, the largetooth sawfish’s range has shrunk by an estimated 60 percent in a ...

The giant freshwater stingray may be the ... The rays have also been targeted for the burgeoning aquarium trade, though it is now illegal to fish for stingrays in Thailand.

Freshwater fish populations that dwell nearer the poles are outperforming their equatorial counterparts, researchers have found. Large-bodied migratory species such as Atlantic salmon are thriving as ...