Largest organisms found to have measured in length. The Komodo dragon ("Varanus komodoensis"), also known as the "Komodo monitor", is a large species of lizard found in the Indonesian islands of Komodo, Rinca, Flores, Gili Motang, Nusa kode and Padar. A member of the monitor lizard family (Varanidae), it is the largest living species of lizard, growing to a maximum length of in rare cases and weighing up to approximately . The following is a list of the heaviest living reptile species ranked by average weight, which is dominated by the crocodilians. Unlike mammals, birds, or fish, the mass of large reptiles
Jacky dragon Jacky dragon The jacky dragon ("Amphibolurus muricatus") is a type of lizard native to southeastern Australia. It was one of the first Australian reptiles to be named, originally described by English zoologist George Shaw in Surgeon-General John White’s "Journal of a Voyage to New South Wales", which was published in London in 1790. It is well known for its bright yellow mouth and well-developed vertebral crest, as well as the temperature-dependent sex determination of its offspring. Other common names include blood-sucker, stonewalker, and tree dragon. The jacky dragon, one of the 70 species of dragons (Agamidae) found in Australia, is