Pink zebra danios11/22/2023 In the aquarium, it’s usually best to keep the water temperature between 68-72° F (20.0-22.2° C) with a relatively neutral pH between 6.5-8.0. These regions are often cooler than tropical conditions, making both the zebra danio and the GloFish danio a coldwater species. The zebra danio can be found in many countries throughout South Asia, including Pakistan, Nepal, and Bhutan they are especially abundant in the Ganges and Brahmaputra River basins. They will appreciate natural foliage in the form of live plants and a gravel or sand substrate most GloFish hobbyists like to keep their fish on a dark substrate and under special LED lighting designed to showcase their fluorescence best. For the most part, these fish tend to stick towards the upper and middle portions of the water column. This means that it’s best to keep them in as large of a tank as possible, though a 10-gallon (37.9 L) aquarium will comfortably keep a school of six for every additional fish added past this, a larger tank size is required.īecause of their high activity levels, these fish need lots of open water to swim and exhibit their natural schooling behaviors. The zebra danio is a schooling fish that has high activity levels in the aquarium. The most important thing to consider when getting a GloFish danio though is that these fish come from coldwater environments and they will need a lower temperature than most community freshwater fish. GloFish danio careįor the most part, any species of GloFish needs the same level of care as their regular-colored counterparts. If planning on getting an aquarium full of these fish, then it’s important to know how to take care of them properly. There is still some discussion in the aquarium hobby about whether or not GloFish should be kept, but it is reassuring to know that the fish have not been subjected to inhumane practices. Unlike fish that have been artificially dyed, these fish are the offspring of genetically modified adults, so the color is inherited and does not fade with time. GloFish has adopted these colors and created Starfire Red®, Electric Green®, Sunburst Orange®, Cosmic Blue®, Galactic Purple®, and Moonrise Pink® variations that can be found across danios, tetras, betta fish, and more. Along the way, scientists injected a green fluorescent protein (GFP) into a zebra danio embryo with hopes that fluorescence would indicate toxins and pollutants in the immediate environment this GFP was originally extracted from a species of jellyfish, most often Aequorea victoria.Īs genetically modified organisms were studied more and were understood better, other genes were extracted and added to the zebra danio, including those from a sea coral that led to red fluorescence and other orange and yellow variations from other jellyfish genes. In the scientific field, Danio rerio is considered one of the top model organisms for research. Contrary to popular belief, these colors are not the result of dye injections and are passed down through genetics. GloFish offers a variety of freshwater fish species that have been genetically modified to display fluorescent colors. How are GloFish danios different from zebra danios? Usually, these fish will be a common freshwater species, like tetras, barb, or danios, except they’re a different color these fish are part of the trademarked GloFish market. 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. 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! About GloFish danios 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. Instead, these fish are the result of genetic testing that has led to their bright fluorescent color assortment. GloFish® danios are not artificially dyed or cruelly injected with colors.
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