An octopus named Inky has escaped from the New Zealand’s National Aquarium. Maintenance workers left a gap at the top of his tank. The hole was large enough for the octopus to slip through. Based on the tracks Inky left behind, zoo employees determined that he crawled across the floor to a pipe. He then squeezed his body into a 6-inch (15 cm) wide drain and fled. The drain he chose led to the Pacific Ocean. Inky was not the first Octopus to cause a stir at an aquarium. Octopuses are known for escaping their tanks.