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 ...

Newborn fish are mistaking tiny bits of trash for ... This story appears in the May 2019 issue of National Geographic magazine. In this time-lapse video, a 436-cubic-meter surface slick sample ...

"Wicked Tuna" has been canceled by National Geographic following the conclusion ... For commercial fishermen, the directive ...