We’ve all heard about training dogs, but fish? El Guapo has to be the most talented Betta fish we’ve ever seen. In a video posted by Rumble.com, the little guy repeatedly jumps through a ring held ...

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 ...