How to recognize poisonous Russell’s Viper


In Bangladesh, the endangered Russell’s viper has recently been seen in agricultural fields. Farmers are worried about this. In some areas of Manikganj near Dhaka, government officials said that at least 5 people have died due to venomous Russell’s viper snake bites in the last 3 months. So care should be taken while working on agricultural land. Venomous Russell’s viper snakes should be recognized.

Known as in Bangladesh

Russell’s Viper is known as ‘Chandrabora’ or ‘Ulubora’ in Bangladesh. Snakes that can be seen in Bangladesh; It is the most poisonous among them. It is one of the most venomous snakes of the Indian subcontinent and one of the four most feared snakes of the subcontinent, belonging to the Viparidae family.

How to recognize the snake

Russell’s Viper or Chandrabora has a fat body, tail is short and narrow. The body length of an adult snake is usually 1 meter; A maximum body length of up to 1.8 meters has been reported. Its head is flat, triangular and distinct from the neck. The snout is blunt, rounded and raised. The nostrils are large, each of which is located between a large and single nasal scale. The lower edge of the nasal scale touches the nasorostral scale. The supranasal scale has a strong crescent shape and separates the nasal from the nasorostral scale anteriorly. The rostral scale is as broad as it is high.

Russell’s Viper or Moon Viper can grow up to 166 cm (65 in) with the tail. In mainland Asia the average is up to about 120 cm (47 in). In islands, the shape is usually somewhat smaller. It is narrower than most Vipers.

In 1937 proof-sized specimens of adult moonshine were presented:

1. Overall length 1.24 m (4 ft 1 in)
2. Tail length 430 mm (17 in)
3. Circumference 150 mm (6 inches)
4. Head width 51 mm (2 inches)
5. Head length 51 millimeters (2 inches)

Read more

  • Sea slugs are leafy fish
  • Although this fish looks calm, it is dangerous

This is the nature of the snake

Chandrabora is very aggressive. Other snakes quickly move away after biting humans. Russell’s Viper doesn’t want to leave the scene. While other snakes try to avoid humans, the snake’s nature is the opposite. So every year many people lose their lives just because of snake bites. The snake is also known as the ‘Killing Machine’ due to the speed of its attack and the intensity of its venom.

Reproduction of Chandrabora

Russell’s viper or moon snake gives birth directly instead of laying eggs. As a result, baby snakes have a higher chance of survival. They breed at any time of the year. But from May to next 3 months reproduction is highest. A female snake gives birth to 20 to 40 cubs at the end of pregnancy. However, some Chandrabora snakes have been recorded to give birth to up to 80 babies.

Location of Chandrabora

Russell’s Viper or Moon Viper usually inhabits open and somewhat dry habitats in grasslands, thickets, forests, mangroves and crop fields, especially lowland grasses. Although terrestrial snakes can move quickly in water. As a result, during the rainy season, it can float to a great distance along with its water and migrate itself. They are nocturnal. They feed on rodents, small birds, lizards and frogs. Since there is an abundance of food in the vicinity of the homestead, Chandrabora often migrates to the locality in search of food.

Where is the snake found?

Russell’s Viper or Chandrabora is a rare snake of West Bengal and Bangladesh. It is one of the causes of fear in most districts of West Bengal, especially in rural areas of Nadia, Burdwan, North Twenty-four Parganas and Bankura districts. Earlier it was seen only in Rajshahi region of Bangladesh. As a result, it was known as the snake of Barendra region. At present, the Padma Basin is expanding to many districts in the southern region. The presence of this snake has been seen in Rajshahi, Rajbari, Faridpur, Kushtia, Manikganj, Chandpur, Hatia and Bhola of the country.

SU/GKS