PetSmart is inviting pet parents and their furry friends to join in some Halloween fun this weekend. According to a recent ...

American aquariums could soon be aglow with bright red fluorescent fish, the nation's first genetically altered household pet. Soon other fish could follow, glowing under black light like the colors ...

The glow of glowing fish comes from the jellyfish Aequorea victoria. The GFP gene from Aequorea victoria was transferred to a zebrafish, where it is expressed in the muscle cells of the zebrafish.