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It has a fairly stocky build for an elapid, and adult snakes are uniformly light to medium brown, while the juveniles tend to be a darker brown in color. [4] They have 23-27 scale rows around the neck and 21 just above the middle part of the body; 182-193 ventrals, 36-49 subcaudals, and basal pairs are sometimes undivided.
The king cobra (Ophiophagus hannah) is a species complex of snakes endemic to Asia.With an average of 3.18 to 4 m (10.4 to 13.1 ft) and a record length of 5.85 m (19.2 ft), [2] it is the world's longest venomous snake and among the heaviest.
Original description : A size comparison of four different snakes; comparing large individuals of the extant green anaconda (Eunectes murinus) and reticulated python (Malayopython reticulatus) to total length estimates of the extinct Gigantophis and Titanoboa. • The green anaconda is the largest (most massive) extant snake.
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 ...
The word anaconda is derived from the name of a snake from Ceylon that John Ray described in Latin in his Synopsis Methodica Animalium (1693) as serpens indicus bubalinus anacandaia zeylonibus, ides bubalorum aliorumque jumentorum membra conterens. [7] Ray used a catalogue of snakes from the Leyden museum supplied by Dr. Tancred Robinson.
The color pattern consists of an olive green background overlaid with black blotches along the length of the body. The head is narrow compared to the body, usually with distinctive orange-yellow striping on either side. The eyes are set high on the head, allowing the snake to see out of the water while swimming without exposing its body.
The two species of shield-nosed cobras, the Cape coral snake (Aspidelaps lubricus) and the shield-nosed cobra (Aspidelaps scutatus) [4]: p.76 The two species of black desert cobras or desert black snakes, Walterinnesia aegyptia and Walterinnesia morgani , neither of which rears upwards and produces a hood when threatened [ 4 ] : p.65
Like other Naja spp., Three-finger toxins (3FTx) dominate the venom proteome. 3FTx constituted 90% of the total venom proteins, recording by far the highest 3FTx abundance in snake venom. Other proteins in the venom comprised snake venom metalloproteinases (SVMP, 4.17%) and phospholipases A 2 (PLA 2 3.76%).