It often takes a careful eye to identify the sex of a beta fish. Reviewed by Nick Saint-Erne Reviewed by Nick Saint-Erne Determining the gender of a betta fish is actually quite easy, but ...

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 ...

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 ...