Glowfish [FREE]

They are not bioluminescent—they will not glow in a completely dark room without a light source.

While legal in most places, they are restricted in certain areas (e.g., California), due to regulations against introducing transgenic species into the wild. Glowfish

The technology has been used in scientific research for over 20 years to better understand genetics and molecular biology. 4. Care and Aquarium Setup They are not bioluminescent—they will not glow in

They come in a "cosmic" range of colors: Starfire Red, Electric Green, Sunburst Orange, Cosmic Blue, Galactic Purple, and Moonrise Pink. 3. Environmental & Scientific Origins Glowfish