乐生活I have horns on my head.
Cerastes Cerastes are the reptiles of the genus Cerastes of the Family Hydraulidae of Reptilia. Toxic, mainly distributed in North Africa and the Middle East, they have distinct characteristics, their eyes have a pair of erect spiny horny scales, so it is easy to identify. Nevertheless, horny vipers without horn scales have been found. No other species have been found under this genus for the time being.
The average length of the viper is 30 – 60 cm, and the longest Viper recorded is 85 cm. The female horned viper is larger than the male. An important feature of the horny viper is that it has spiny horny scales on its own orbits, but there are no horny vipers or small horny vipers. Horn viper is a heteromorphic organism. The head and eyes of the male are generally larger than those of the female.
The body color distribution of viper is mainly yellow, and there are also many reading colors such as light gray, pink, and light brown to form texture. Variable and light colors can make it easy to hide, not found by predators, but also in line with the living environment.
Horn viper, like the common African snake, is mainly distributed in the arid desert of North Africa.
Horn vipers move in the form of snakes, but because they mostly walk between gravels, they do not move by sliding, but by exerting pressure on the ground with their body weight to produce the force of movement. So researchers can usually use snake prints left in the sand to determine the number of scales in the abdomen of the horned viper. Horn vipers are calm, but when faced with threats, they curl up in a "C" shape and rub their bodies to warn the enemy. Because their scales are quite hard, they can rub off powerful noises, just like sawdust vipers. They also have the ability to bite sharply.
Agkistrodon halys has strong toxicity, which is very similar to the nature of serpentine. The symptoms of human poisoning include headache, vomiting, abdominal pain, diarrhea, dizziness, syncope or spasm. Strong phosphatidase A2 releases toxins that cause heart and muscle poisoning. The venom of Agkistrodon halys can cause the most toxic hemorrhagic poisoning. According to the standard of LD50, the venom of Agkistrodon halys can be calculated as 0.4 mg/kg by intravenous drip injection and 3.0 mg/kg by subcutaneous tissue. The normal human body only needs to ingest 40-50 mg of viper venom to kill. The famous Egyptian demon queen killed herself with the poisonous bite of a pet horned viper.
Source: Wiki
