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It uses its venom primarily as a means of defense. The spitting cobra has the ability to direct venom up to three metres away from its location. [1] The trajectory of the venom that the cobra sprays is not at random. The spitting cobra has evolved to aim the venom that it spits into or as close as possible to the antagonist’s face and eyes. [1]
The venom of the rinkhals is neurotoxic and partially cytotoxic, and is less viscous than that of other African elapids. [6] When confronting a human, it generally aims its venom at the face. If the venom gets injected, it causes great amount of pain and even necrosis due to the cytotoxic effect. If the venom enters the eyes, it causes great ...
In a national hospital based survey of snakes responsible for bites in Thailand, 10% of all dead snakes brought by snake-bitten patients were of this species (described as "Naja atra northern spitting cobra"). Neurotoxic signs (ptosis and difficulty in breathing) were observed in 12 of the 114 cases (10.5%).
The murine IP LD 50 value for this snake is 2 mg/kg. [6] In September 2011, a snake keeper from the Eastern Cape in South Africa died shortly after a red spitting cobra sprayed venom into his face while he and a friend were photographing the snake. Some of the venom was believed to have entered his nasal passages and led to anaphylactic shock.
The average venom yield from a snake of this species kept at a snake farm was about 250.8 mg (80 mg dry weight). [5] [15] According to Minton (1974), this cobra has a venom yield range of 150 to 200 mg (dry weight). [12] Brown listed a venom yield of 184 mg (dry weight). [16]
The number and pattern of scales on a snake's body are a key element of identification to species level. [14] Naja oxiana has 23 to 27 (usually 25) dorsal scale rows at the hood, 19–23 (usually 21) just ahead of midbody, 191–210 ventrals , and 57–71 paired subcaudals ; cuneate scales (small angular scales between the labials ) are often ...
Venom was intended by Sony Pictures to be the start of a new shared universe, and plans for a sequel began during production on the first film. Harrelson was cast to make a brief appearance as Cletus at the end of Venom, with the intention of him becoming the villain Carnage in the sequel. Official work on the sequel began in January 2019, with ...
Cobras, mambas, and taipans are mid- to large sized snakes which can reach 2 m (6 ft 7 in) or above. The king cobra is the world's longest venomous snake with a maximum length of 5.85 m (19.2 ft) and an average mass of 6 kg (13 lb). [7]
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