Name: Dragon Chinese i.cairica big lizard lizard polynoidae Taiwan
The dragon body length is generally 60 - 90 cm, the largest up to 2 - 3 meters, average weight 20 - 30 kg, tail length 70 - 100 cm, the longest up to 150 cm, usually about 3/5 of the body length. It is the largest species of lizards in China, but also one of the world's largest lizards. The head is narrow and long, the snout is longer, the nostrils close to the mouth, the tongue is longer, the front fork, can be retracted into the tongue sheath. All covered with small granular scales and projections, adult abaxial surface scales black, some scales mixed with yellowish spots, ventral yellow or gray white, a few scattered spots, scales oblong, a row. The larvae of black, ventral white, ringed with black and white on both sides. Strong limbs, pointed (toes) with sharp claws. The tail side band like, like a sword, tail scales in two rows of short crest, unlike other lizards as easily broken. Have a pair of anus.
The dragon in China is mainly distributed in Guangxi, Guangdong, Hainan and Yunnan in the south. Guangxi Napo County (lily, Xia Hua Xiang Shang Hua Cun, and three, Ningming, Jingxi, Longzhou), and Pingxiang and other places are produced. Foreign distribution in India, Malaysia, Burma, Thailand.
In terrestrial life, love river, ponds, reservoir habitat in the mountains near streams or coastal etc.. Day and night are out activities, but in the morning and evening the most frequent. Although the body is large, but the action is very flexible, not only good at swimming in the water, can also climb trees. Food can be selected according to all the food in different environments, can fish in the water, but also climb to the tree foraging, in addition to eating frogs, snakes, birds, eggs, mice and insects of various animals, etc..
The dragon has many different performance in the face of predators, such as immediately climbed up the tree, the tree with grasping claws, noise to intimidate each other; while his neck, body stout, and hiss, spit out a long tongue, threatening each other; the food soon devoured ejected seduction. He took the opportunity to escape and so on. But more often, is to fight with each other. Usually the body back, in the face of the enemy, assumed a fighting posture, attack with sharp teeth and claws, in a stalemate after a period of time, slowly close to each other, the body lift, by surprise thrown out of the long and powerful tail, like Gangbian like to smoke to play in the past, the confound and fled in panic, and even killed in the dragon under the tail. If the person is too strong, it will climb into the water to escape, can stay in the water for a long time, so in Yunnan, Xishuangbanna, the local Dai compatriots are called "water gecko".