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GloFish

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4/5

(25 Reviews)


Species group:

Other common names:

Scientific name: Danio rerio

The basics:
GloFish are a patented brand of genetically modified (GM) fluorescent Zebra Danio Danio rerio. GloFish were created in 1999, when scientists in Singapore inserted a gene from jellyfish, which produces a green fluorescence, into a Danio rerio embryo. According to the patent holder, Yorktown Technologies, "GloFish® fluorescent fish were originally bred to help detect environmental pollutants. By adding a natural fluorescence gene to the fish, scientists hope to one day quickly and easily determine when a waterway is contaminated. The first step in developing a pollution-detecting fish was to create fish that would be fluorescent all the time. Scientists soon realized the public's interest in sharing the benefits of this research, a process which lead to GloFish® fluorescent fish." GloFish were first made available in 2003, and are the first genetically modified animals to become publicly available as a pet. GloFish are generally hardy but some varieties are prone to infections at temperatures higher than 77 deg F.

Appearance:
GloFish are currently available in five patented colors: Starfire Red, Electric Green, Sunburst Orange, Cosmic Blue and Galactic Purple.

Size:
0-2 inches

Temperament:
They are a favorite schooling fish (preferably six or more) for community aquariums because of their relatively peaceful nature (they will nip fancy-finned tankmates).

Housing:
GloFish, like Zebra Danios, can adapt to different tank situations. They enjoy swimming around well-planted and decorated tanks, but do well even in newly established aquariums. Because they are hyperactive and tend to escape by jumping, aquariums must have a good-fitting cover.

Temperature:
64.00-77.00 °F

pH:
7.50-0.00

Alkalinity:
0.000-0.000 mg/L

wonderful

children, larger groups, Perfect Starter Fish, neon colored fish, lively fish

challenging

shorter lifespan, cruel practise, premature death, dye

interesting

genetically modified fish, blacklight, different prices, jelly fish protein, jellyfish DNA

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