Famous Black Light Betta Fish Ideas. Web for your information, a pure black betta is considered as rare. While natural sunlight is great for them, and in fact, great for any plants in the tank as.
Other light colors, such as yellow and green, can make the fish feel uncomfortable and stimulate their natural predator instinct. When you’re keeping a betta in a tank, it’s best to provide them with artificial light. But do betta fish like light?
