The GloFish is a patented and trademarked brand of genetically modified fluorescent fish. Zebrafish were the first GloFish available in pet stores, and are now sold in bright red, green, orange-yellow, blue, and purple fluorescent colors. Recently "Electric Green", "Sunburst Orange", "Moonrise Pink", "Starfire Red", "Cosmic Blue", and "Galactic Purple" colored tetra and an "Electric Green" tiger barb have been added to the lineup.