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The fangs may reach a length of 55 mm (2.2 in), [4] the longest of any venomous snake. [5] Midbody, the 28–46 dorsal scale rows are strongly keeled except for the outer rows on each side. The lateral scales are slightly oblique. The ventral scales number 124–140, rarely more than 132 in males, rarely less than 132 in females.
The largest lamprophids Cape file snake (Heterolepsis capensis) is a medium to large snake. With an average total length (including tail) of about 120 cm (3 ft 11 in), specimens of 165 cm (5 ft 5 in) total length have been recorded.
It was named and described in 2009 as Titanoboa cerrejonensis, the largest snake ever found at that time. It was originally known only from thoracic vertebrae and ribs, but later expeditions collected parts of the skull and teeth. Titanoboa is in the subfamily Boinae, being most closely related to other extant boines from Madagascar and the ...
Eastern diamondback rattlesnake at the Saint Louis Zoo Detail of rattle. The eastern diamondback rattlesnake is the largest rattlesnake species and is one of the heaviest known species of venomous snake, with one specimen shot in 1946 measuring 2.4 m (7.8 ft) in length and weighing 15.4 kg (34 lb).
[27] [28] However, because of its large venom glands and specialized fangs, the western diamondback rattlesnake can deliver a large amount of venom in a single bite. The average venom yield per bite is usually between 250 and 350 mg, with a maximum of 700–800 mg. [ 5 ] [ 29 ] Severe envenomation is rare but possible, and can be lethal.
The evolutionary history of venomous snakes can be traced back to as far as 28 million years ago. [1] Snake venom is modified saliva used for prey immobilization and self-defense and is usually delivered through highly specialized teeth, hollow fangs, directly into the bloodstream or tissue of the target.
A new snake species, the northern green anaconda, sits on a riverbank in the Amazon's Orinoco basin. “The size of these magnificent creatures was incredible," Fry said in a news release earlier ...
Lachesis muta is the third longest venomous snake in the world, exceeded in length only by the king cobra and the black mamba. Weight in this species is estimated at an average of 3 to 5 kg (6.6 to 11.0 lb), somewhat less than the heaviest rattlesnakes (like the eastern diamondback rattlesnake ) or Bitis vipers (such as the Gaboon viper and ...