Despite having ‘fish’ in their name, Freshwater Crayfish are ... algae eaters a popular choice in many aquariums. These peaceful tank pals can live for up to four years and are known (and ...

Betta, or Siamese fighting fish, are one of the most popular aquarium fish ... types of bettas. These freshwater fish are often kept as pets and are relatively easy to care for. And when given proper ...

Bear in mind that a saltwater aquarium is more expensive and difficult to set up and maintain than freshwater ... peaceful and can live alongside other species of marine fish, including other ...

The giant freshwater stingray may be the world ... where their more commonly known relatives live. These ancient fish, little changed over many millions of years, can reach 16.5 feet long ...

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 ...