GloFish® Tetra Care Guide
Gymnocorymbus ternetzi x Genetic Modification
- Max Size
- 6.0 cm / 2.4"
- Temperature
- 22–27°C (72–80°F)
- pH Range
- 6.5 – 7.5
- Min Tank Size
- 40L (11 gal)
- Min Group Size
- 6 fish
- Tank Level
- Bottom-Mid
- Origin
- South America
- Temperament
- Peaceful
- Difficulty
- Easy
- Breeding Difficulty
- Easy
Diet
Omnivorous; easily adapts to standard flake foods and small live or frozen foods.
Community Compatibility
Perfect for community tanks with other peaceful GloFish® or similar sized species.
Good to Know
GloFish® Tetras are genetically modified to glow under black lights, adding a fluorescent glow to aquariums.
Gender Differences
Males may be slimmer than females.
About the GloFish® Tetra
GloFish® Tetras are a captivating addition to the world of ornamental fish, created through genetic modification of the Gymnocorymbus ternetzi species, commonly known as the Black Skirt Tetra. These fluorescent fish have been genetically altered to display bright, neon colors that glow under certain types of aquarium lighting, thanks to the introduction of genes from marine organisms that naturally produce biofluorescent proteins. The range of colors includes vibrant shades of pink, green, orange, blue, and purple, adding an extraordinary visual appeal to home aquariums.
The development of GloFish® was initially aimed at environmental and scientific research, with the fluorescent markers intended to help in detecting environmental pollutants. However, their unique appearance quickly gained popularity in the aquarium trade, leading to their commercial availability for hobbyists. It's important to note that the fluorescence of GloFish® Tetras is a result of their genetic makeup and is not influenced by their environment or dietary habits, meaning they will retain their bright colors throughout their lives.
Care for GloFish® Tetras mirrors that of their non-modified counterparts, the Black Skirt Tetras. They thrive in well-maintained aquariums with stable water conditions and a temperature range that mimics their natural tropical habitat. As schooling fish, they are most comfortable and exhibit the best behavior when kept in groups, which also enhances their striking visual impact in the aquarium. They require an environment with ample swimming space as well as areas of dense planting or decoration to provide shelter and reduce stress.
The diet of GloFish® Tetras should be balanced and can include a variety of high-quality flake foods, pellets, and occasional live or frozen treats such as brine shrimp or bloodworms. This ensures they receive all the necessary nutrients for good health and vitality.
Breeding GloFish® Tetras follows similar patterns to breeding standard Black Skirt Tetras, although it's important to be aware that the breeding and sale of GloFish® are subject to specific regulations and patents held by the creators of GloFish®. As such, any breeding of these fish for commercial purposes is prohibited without permission from the rights holders.
In terms of community tank settings, GloFish® Tetras are generally peaceful and can coexist with other fish of similar size and temperament. However, their bright colors can sometimes attract unwanted attention from more aggressive or fin-nipping species, so care should be taken when selecting tank mates to ensure a harmonious aquarium.
In summary, GloFish® Tetras offer an exciting and visually stunning option for aquarium enthusiasts looking to add a splash of color to their aquatic environments. Their care and requirements are accessible to aquarists of all levels, making them a popular choice for both novice and experienced hobbyists. Through responsible care and consideration of their unique needs, GloFish® Tetras can make a vibrant and fascinating addition to any home aquarium.
Stock GloFish® Tetra in Your Tank
Use our free stocking calculator to see if GloFish® Tetra fits your aquarium