Fish in the Amazon basin have adapted to bouts of low water O2 and high CO2, with many species evolving air-breathing or aquatic surface respiration mechanisms to supplement respiratory gas exchange.

The Amazon River, a labyrinth of winding waterways cutting through the heart of South America, is home to a dazzling array of wildlife. Among its many marvels are the giant freshwater fish that call ...

One quick fix is to supplement their food with some fish oil. Safe for dogs and cats alike — so long as you know they don’t suffer from a fish allergy — you can pump a serving of these oils directly ...

If you wish to transform a plain aquarium into a beautiful paradise, then you are at the right place. The easiest trick is to pair colourful and compatible freshwater fish that create dynamic ...

Some Amazon employees got a worrying calendar invitation on Tuesday. The invitation discussed upcoming job cuts and "Project Dawn," an Amazon efficiency initiative. Thousands of Amazon corporate staff ...

The discus fishes of the genus Symphysodon are popular ornamental cichlids that occur in floodplain lakes and flooded forests of the lowland Amazon Basin. These habitats are characterized by extreme ...

A newly identified fish species has surprised scientists with an unusual organ never seen before in its group. Discovered in the Colombian Amazon, the tiny fish, named Priocharax rex, measures only ...

Amazon has quietly removed its AI-generated English dubs for several anime after days of vicious ridicule. Voice actors and anime fans alike slammed the Banana Fish, No Game No Life: Zero, and Vinland ...

Vinland Saga was one of the high-profile anime releases that was among the subjects of a big controversy when Amazon Prime Video tried AI-generated dubbing on several series. The experiment, which ...