The Asian Monocled cobra (Naja kaouthia) is a medically important species as it is responsible for a considerable number of bites throughout its range. This species is common in KwaZulu-Natal. Although the potency of their venom is similar to the more venomous cobra species, mamba venom is much more rapid-acting and the dendrotoxins contained in mamba venom is generally more devastating in nature to the central nervous system, causing more severe neurotoxicity in more rapid fashion.[29]. The Eastern green mamba (Dendroaspis angusticeps) has an average venom yield per bite of 80 mg according to Engelmann and Obst (1981). The Crossword Solver finds answers to American-style crosswords, British-style crosswords, general knowledge crosswords and cryptic crossword puzzles. Mole snakes mostly eat rodents and can also feed on lizards and birds. Although they're reluctant to bite, tiger rattlensnakes are known to be cantankerous and aggressive . Other body aspects to consider are the masculinity and flatness of the body. Poisonous snake is a crossword puzzle clue. The major α-neurotoxin in Naja kaouthia venom is a long neurotoxin, α-cobratoxin; the minor α-neurotoxin is different from cobrotoxin in one residue. This species is considered dangerous, and fatalities are not unusual. Internal bleeding also occurs. [92] Maximum venom yield for this species is 155 mg.[8] This species is legendary for its bad temper, aggression, and for its speed. The Australian venom research unit (January 11, 2014). Average venom yield per bite is 10 mg (Brown, 1973), 8 to 20 mg (dry weight) (U.S. Dept. No recorded incidents have been fatal since the advent of the monovalent (specific) antivenom therapy. They do not cause significant neurotoxic paralysis (muscle weakness, respiratory failure), though rarely they may cause ptosis (drooping of the upper eyelids). [9] According to Brown (1973), the subcutaneous LD50 value is 0.4 mg/kg,[15] while Ernst and Zug et al. READ ALSO: Jackie Phamotse: Author accuses celebrities of using snakes for wealth. A male Boomslang. [11][54][128] The venom has cytotoxic effects[160] and is one of the most toxic of any vipers based on LD50 studies. This snake can cause severe envenomation of humans. The venom is supposedly slightly less toxic than those of the Puff adder and the Gaboon viper. Certain species have one solid color for the whole body or one color on the dorsal side and a different one on the belly. [17] The average venom yield is 25–26 milligrams (0.39–0.40 gr) with a maximum of 300 milligrams (4.6 gr) of dried venom. [93], The Common death adder (Acanthophis antarcticus) is a highly venomous snake species with a 50–60% untreated mortality rate. [68], The common krait (Bungarus caeruleus) is often considered to be the most dangerous snake species in India. They mostly stay in an ambush position for a number of weeks as they wait for preys to pass. 1967a). The snakes used for the study were milked seven to 11 times over a 12-month period, during which they remained in good health and the potency of their venom remained the same. In Africa, the most dangerous species include black mambas, puff adders, and carpet vipers. This is the only rattlesnake species in most of the populous northeastern United States and is second only to its cousins to the west, the prairie rattlesnake, as the most northerly distributed venomous snake in North America. Ophthalmia has been reported, but has not caused as severe complications as in some of the spitters in the genus Naja (especially N. nigricollis and N. It inflates and compresses its body laterally (not dorso-ventrally like many other species) and may also spread the back of its jaws to give the head a broader, lance-shaped appearance. 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