Nicobar Pit Viper : Trimeresurus labialis

Snakes of World

The Nicobar Pit Viper, scientifically known as Trimeresurus labialis, is a venomous snake found in the Nicobar Islands of the Indian Ocean. These snakes belong to the Viperidae family and are characterized by their distinct appearance, potent venom, and preference for forested habitats. In this article, we will discuss various aspects of the Nicobar Pit Viper in detail.

The Nicobar Pit Viper is a medium-sized snake, with adults measuring around 60-80 cm in length. The body is stout and cylindrical, with a short tail. The head is triangular, and the eyes are relatively large. The pupils are vertical, and there is a pit between the eye and nostril that is used to detect prey.

Scalation:

The scales of the Nicobar Pit Viper are keeled, meaning they have a raised ridge along the center. They have 21-23 rows of dorsal scales and 137-152 ventral scales. The subcaudal scales are paired, and the anal plate is single.

  • The scales are keeled, meaning they have a raised ridge along the center.
  • They have 21-23 rows of dorsal scales and 137-152 ventral scales.
  • The subcaudal scales are paired, and the anal plate is single.
  • These features are common to many species in the Viperidae family, but when combined, they help to identify Nicobar Pit Viper as a distinct species.

Appearance:

The Nicobar Pit Viper is primarily green, with a series of dark green or brown crossbands or blotches on their back. The underside is yellowish, and they have a distinctive yellow or white stripe running along their upper lip. They have a triangular head and a relatively short tail.

Natural History:

The Nicobar Pit Viper is primarily nocturnal and is an ambush predator, hiding in vegetation or under rocks and waiting for prey to come within range. Their diet includes small rodents, lizards, and frogs.

Habitat:

The Nicobar Pit Viper is found in the Nicobar Islands of the Indian Ocean. They prefer forested habitats and can be found in tropical and subtropical forests.

Behavior:

The Nicobar Pit Viper is generally docile and prefers to avoid human contact. When threatened, they may coil and strike, but they are not aggressive unless provoked. They are also known to hiss loudly when threatened.

Reproduction:

The Nicobar Pit Viper is oviparous, meaning they lay eggs. The female will lay a clutch of 4-14 eggs in a moist, protected area. The eggs hatch after 60-70 days, and the juveniles are independent from birth.

Location:

The Nicobar Pit Viper is found in the Nicobar Islands of the Indian Ocean.

Venom:

The Nicobar Pit Viper is venomous and has potent venom that can cause significant tissue damage and even death in humans. The venom is primarily hemotoxic, meaning it destroys red blood cells and damages blood vessels, leading to swelling, bleeding, and tissue death. The strength of the venom varies depending on the individual snake and the location, but it is considered to be one of the most dangerous venomous snakes in the Nicobar Islands.

The Nicobar Pit Viper is a unique and fascinating species of snake found in the Nicobar Islands of the Indian Ocean. They prefer forested habitats and have a distinct appearance with dark green or brown crossbands or blotches on their back and a yellow or white stripe running along their upper lip. Their venom is potent and can cause significant tissue damage and even death in humans. Despite their venomous nature, they are generally docile and prefer to avoid human contact.

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