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Genetically engineered angelfish (Pterophyllum) glow in a tank during a news conference before the 2012 Taiwan International Aquarium Expo in Taipei

Genetically engineered angelfish (Pterophyllum) glow in a tank during a news conference before the 2012 Taiwan International Aquarium Expo in Taipei November 7, 2012. The fish, which are the world's first pink fluorescent angelfish and can view without blacklight, were created by a joint project between Taiwan's Academia Sinica, National Taiwan Ocean University and Jy Lin, a private biotechnology company, according to the organizer. The 2012 Taiwan International Aquarium Expo will be held at Taipei World Trade Center Nangang Exhibition Hall from November 9 to 12. REUTERS/Pichi Chuang (TAIWAN - Tags: ANIMALS SOCIETY SCIENCE TECHNOLOGY)

Cloned animals

Scientific success has added to the growing list of animals that have been cloned from adult cells, including Dolly the sheep, fish, pigs, goats, cattle, mice and even an ox-like creature called a gaur.