Koi betta fish were bred from marble bettas for an even more distinct ... Feel free to decorate the tank with toys and plants. Live tropical plants like Java ferns do well in the betta’s warm tank.

Did you know that the betta fish was domesticated over 1,000 years ago? Known as Siamese fighting fish (Betta splendens) in ...

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 ...