GloFish Red Danio – 5 pack

GloFish® danios are not artificially dyed or cruelly injected with colors. Instead, these fish are the result of genetic testing that has led to their bright fluorescent color assortment. If you plan on getting one of these fish, it’s important to know how to properly take care of it as their attractive colors have often led to too many impulsive buys.

Keep reading to find out everything you need to know about GloFish danios, why they’re fluorescent, and how to care for a school of them in your own freshwater aquarium!

You’ve probably seen these fish before in your local pet store as they’re very hard to miss due to their captivating fluorescent colors; this fluorescence is the result of an electromagnetic wavelength being temporarily absorbed and then being released at a lower energy level, resulting in a different color.