What is a betta fish? Betta fish—also known as Siamese fighting fish—are among the oldest species of domesticated fish. Their ...

Whether you’re considering getting a pet betta fish or you already have one, understanding the lifespan of betta fish will help you know what to expect. Knowing how to keep your betta fish healthy and ...

Betta, or Siamese fighting, fish are among "the most popular freshwater aquarium fish in the world," PetMD reports. Native to southeast Asia, this species is known for its range of vibrant hues. There ...

In 1975, scientists tried spaying a few hundred female betta fish. We all know what happens to spayed cats and dogs: They become sterile. Betta fish are different. A third of the surviving bettas ...

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Many children spend months, sometimes years, attempting to convince their parents to let them get a fluffy puppy or kitten as their first pet, only to land a slightly lower maintenance companion like ...

With dark, velvety black bodies and deep purple or blue undertones, Black Orchid Bettas are mysterious and elegant. Their dramatic coloring makes them look like underwater shadows — sleek and ...

Betta fish lover Samantha doesn’t usually stop to look at the fish being sold in major pet stores. They’re kept in heartbreaking conditions — confined to tiny cups filled with cold, dirty water. But ...