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 ...

Cherry Barbs are a peaceful and hardy species that can coexist well with Betta fish ... schooling fish are generally peaceful ...

so choose a betta if you want one relatively large fish for a small tank. Neon tetras are small, active fish with bright blue, red, and white streaks. They’re a social species, and when kept in ...