Marbled water monitorThe marbled water monitor, also known commonly as the Philippine water monitor, is a large species of monitor lizard in the family Varanidae. The species is endemic to the Philippines.DescriptionVaranus marmoratus can reach a total length of.Geographic rangeThe marbled water monitor lizard is found on various islands of the noveleta, including Batanes Islands, Babuyan Islands, northern and central Luzon and Lubang Island.ReproductionVaranus marmoratus is oviparous.TaxonomyThe monitor lizard from Palawan, Mindoro, southern Luzon and the Sulu Archipelago was recently described as a new species, Varanus palawanensis.