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Glo Fish

  • Fishes

Introduction to Glo Fish

Glo Fish, or fluorescent fish, are a type of genetically modified organism that have been given an additional gene to give them a fluorescent glow. First developed in 2003 in Singapore, GloFish are now widely bred in the United States and have become extremely popular among aquarium hobbyists. Glo Fish come in many varieties, including red and green tetras, sharks, and even some species of barb. Beyond the unique glow, they are extremely easy to care for and make great inhabitants of any freshwater aquarium.

Glo Fish Colors

Glo Fish come in a variety of colors and patterns, including electric green, sunburst orange, cosmic blue, starfire red, and mystic purple. Most Glo Fish will feature two colors, giving them a unique pattern and vibrant look. While their fluorescent shine is most noticeable under blue and white aquarium lights, it can still be visible in other colors of light.

Habitat and Care for Glo Fish

Glo Fish should be housed in a 20-gallon or larger aquarium, with filtration and plenty of cover around the edges. They prefer to be kept in groups of five or more and need plenty of room to swim. Glo Fish should have their temperature kept between 75 and 79 degrees Fahrenheit and their pH between 6.5 and 7.5. They should also be provided with a quality flake food to ensure their optimal health.

Glo Fish two

Breeding Glo Fish

Breeding Glo Fish is a relatively simple process and can be done in any size aquarium or even in a special breeding tank. The breeding process should be done at the same temperature and pH as the main tank and with plenty of cover, in order to protect the fry from larger fish. Both parents should be fed plentifully before breeding to improve their chances of successful spawning.

Health of Glo Fish

Glo Fish can live up to five years but like any fish, they can be prone to disease. Some common diseases seen in Glo Fish include ich, fin rot, and velvet disease. It is important to regularly monitor the general health of the fish to detect any signs of disease. If disease occurs, it is important to quarantine the affected Glo Fish and treat them with medication as soon as possible.


Glo Fish are a wonderfully quirky and beautiful type of aquarium fish. With their unique patterns and vibrant colors, they are sure to be an eye-catching addition to any freshwater aquarium. They are easy to care for and breeding them can be a rewarding experience. With proper care and attention, Glo Fish can bring life and happiness to their owners for many years.

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