allcreatures: Genetically engineered Pterophyllum scalara fish glow in a tank under a blacklight whi
allcreatures:Genetically engineered Pterophyllum scalara fish glow in a tank under a blacklight while being displayed at the 2013 Bio Expo in TaipeiPicture: REUTERS (via Pictures of the day: 18 July 2013 - Telegraph) -- source link