Komodo Dragon And Python Get Into Gruesome Fight, Who Will Win? Watch Komodo dragon is the largest extant species of lizard, growing to a maximum length of 10 feet and weighing up to 70 kg.

7 of world's largest and deadliest reptilesBlack mamba: It is the second-longest venomous snake after the king cobra that can commonly grow to 3 m (9.8 ft).