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 ...

Betta Fish: 10 Must-Know Tips Before Adding One to Your Tank Betta fish, with their flowing fins and vibrant colors, are a favorite among aquarium lovers. But while they are often marketed as easy, ...