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 ...

We picked out a stunning selection of colorful female koi bettas to create a vibrant and peaceful sorority tank. Watch as these beautiful fish settle into their new home, bringing life and elegance to ...

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 ...