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 ...

If you're going to keep this type of fish, you must learn how to clean a betta fish tank. Even with a quality aquarium filter, betta tanks can become overwhelmed with nitrates and other toxins if ...

Scientists have found prized Siamese fighting fish are typically being kept in conditions a quarter of the size they need to ...

Betta fish, or Siamese fighting fish, are among the most captivating aquatic pets. With their striking colors, graceful fins, ...

Scientists have found prized Siamese fighting fish are typically being kept in conditions a quarter of the size they need to ...

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 ...