Which betta fish tank is best? Betta fish are a popular pet. Thanks to their bold, bright colors, feisty personalities and low cost, people all over the world are familiar with these small, unique ...

With their long, delicate fins, betta fish need a tank with low water flow and lots of places to hang out and nap. A 5-gallon tank is ideal for most betta fish, and they should never share their tank ...

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 ...