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 are native to Southeast Asia and are prized aquarium species for their long fins and varied colors.

Add Yahoo as a preferred source to see more of our stories on Google. If you want to bring one of them home, these shimmering rainbow fish can be found lining the shelves in the fish sections of pet ...