Bangkok - More than 1,000 new species, including the world's largest huntsman spider and the Laotian rock rat, have been discovered in the Greater Mekong Region of Southeast Asia between 1997 and 2007, the World Wildlife Fund (WWF) revealed Monday.
The huntsman spider has leg span of 30 centimetres, and the rock rat was previously thought to have become extinct 11 million years ago, according to the report, First Contact in the Greater Mekong.
Some of the 1,068 newly discovered species were found in surprising places, said the report.