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 ...

The study "Life beyond a jar: Effects of tank size and furnishings on the behaviour and welfare of Siamese fighting fish (Betta splendens)" appears in Animal Welfare. Life beyond a jar ...

They thrive on a diet of bloodworms, mosquito larvae, and brine shrimp. Once a betta fry reaches 2.5 to 3 months old, it is separated into individual jars to ensure optimal development. After another ...