He is less than a centimeter long and is gripping for all its worth to the tip of a pencil. But don't be fooled by the size of this baby ‘poison dart' frog, its skin is 200 times more toxic than morphine. The frogs, among the most poisonous amphibians on the planet, are found only in the wild on the western slopes of the Andes in Ecuador, South America. But now dozens of the rare species have been bred at the Blue Reef Aquarium in Portsmouth, Hampshire. When adult, they turn bright red with three usually greenish fluorescent stripes, but grow to only a centimeter in length.