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Common names: southwestern speckled rattlesnake, [2] Mitchell's rattlesnake, [3] more. Crotalus pyrrhus is a venomous pitviper species [2] found in the southwestern United States and northwestern Mexico. A medium-sized snake, it is found mostly in rocky country, active at night and feeding on small mammals. The coloration is variable and ...
Rattlesnake fangs are connected by venom ducts to large venom glands near the outer edge of the upper jaw, towards the rear of the head. When the rattlesnake bites, muscles on the sides of the venom glands contract to squeeze the venom through the ducts and into the fangs. When the fangs are not in use, they remain folded against the palate ...
Crotalus ravus, commonly known as the Mexican pigmy rattlesnake [3] or Mexican pygmy rattlesnake, [4] is a venomous pit viper species, found only in Mexico.
[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. Mortality ...
Brown (1973) lists an average venom yield of 364 mg (dried) and LD 50 values of 4.0, 3.7 mg/kg IV, 6.0, 7.0, 6.7 mg/kg IP and 21.2 mg/kg SC for toxicity. [ 18 ] However, Norris (2004) warned this species has a relatively large venom yield containing high levels of proteolytic enzymes , especially in the adults.
A fake rattlesnake is set among leaves to demonstrate its habitat outlining precautions people should take if a snake is encountered during a demonstration at the Fresno Chaffee Zoo Friday. March ...
The venom of the C. molossus is primarily hemotoxic, like that of most crotalids. However, it is only about two-thirds as toxic as western diamondback venom and is generally not fatal to humans. CroFab antivenom is often used to treat bites. Crotalus molossus has larger venom glands than most rattlesnakes in its region. Because its venom is ...
He’s much better attacking the basket, and he’s found a home in the 18-foot range, making him a much more dangerous scorer now. He hasn’t shot below 50 percent in any game this season.