Add Yahoo as a preferred source to see more of our stories on Google. If you want to bring one of them home, these shimmering rainbow fish can be found lining the shelves in the fish sections of pet ...

If you’ve ever visited a pet store, you’ve probably noticed small jars or bowls allowing limited or no movement of the one fish inside each container. These are bettas, also known as “Siamese fighting ...

What is a betta fish? Betta fish—also known as Siamese fighting fish—are among the oldest species of domesticated fish. Their scientific name, Betta splendens, combines two languages: Malay for ...