| Crotalus durissus marajoensis | |
|---|---|
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Order: | Squamata |
| Suborder: | Serpentes |
| Family: | Viperidae |
| Genus: | Crotalus |
| Species: | |
| Subspecies: | C. d. marajoensis |
| Trinomial name | |
| Crotalus durissus marajoensis Hoge, 1966 | |
Crotalus durissus marajoensis is a subspecies of venomous pit viper from Brazil which is named after the location it is known to inhabit, Ilha de Marajo. [1] [2]
Venom or zootoxin is a type of toxin produced by an animal that is actively delivered through a wound by means of a bite, sting, or similar action. The toxin is delivered through a specially evolved venom apparatus, such as fangs or a stinger, in a process called envenomation. Venom is often distinguished from poison, which is a toxin that is passively delivered by being ingested, inhaled, or absorbed through the skin, and toxungen, which is actively transferred to the external surface of another animal via a physical delivery mechanism.
Snake venom is a highly toxic saliva containing zootoxins that facilitates in the immobilization and digestion of prey. This also provides defense against threats. Snake venom is usually injected by unique fangs during a bite, though some species are also able to spit venom.
Crotalus scutulatus is known commonly as the Mohave Rattlesnake. Other common English names include Mojave Rattlesnake and, referring specifically to the nominate (northern) subspecies: Northern Mohave Rattlesnake and Mojave Green Rattlesnake, the latter name commonly shortened to the more colloquial “Mojave green”. Campbell and Lamar (2004) supported the English name “Mohave (Mojave) rattlesnake” with some reluctance because so little of the snake’s range lies within the Mojave Desert.
Convulxin is a snake venom toxin found in a tropical rattlesnake known as Crotalus durissus terrificus. It belongs to the family of hemotoxins, which destroy red blood cells or, as is the case with convulxin, induce blood coagulation.
Myotoxins are small, basic peptides found in snake venoms and lizard venoms. This involves a non-enzymatic mechanism that leads to severe muscle necrosis. These peptides act very quickly, causing instantaneous paralysis to prevent prey from escaping and eventually death due to diaphragmatic paralysis.
Crotalus durissus, known as the South American rattlesnake, tropical rattlesnake, and by other names, is a highly venomous pit viper species found in South America. It is the most widely distributed member of its genus. Currently, seven subspecies are recognized.
Crotalus simus is a venomous pit viper species found in Mexico and Central America. The specific epithet is Latin for "flat-nosed", likely because its head is blunt compared with lanceheads (Bothrops). Three subspecies are recognized, including the nominate subspecies described here.
The Aruba Island rattlesnake, is a venomous pit viper species endemic to the Caribbean island of Aruba, off the coast of Venezuela. It is sometimes still classified as a subspecies of Crotalus durissus.
Crotamine is a toxin present in the venom of the South American rattlesnake. It is a 42-residue long protein containing 11 basic residues and 6 cysteines. It has also been isolated from the venom of North American prairie rattlesnake, Crotalus viridis viridis. It was first isolated and purified by Brazilian scientist José Moura Gonçalves, and later intensively studied by his group of collaborators at the Medical School of Ribeirão Preto of the University of São Paulo.
Crotalus totonacus is a venomous pit viper species found in northeastern Mexico. No subspecies are currently recognized.
In enzymology, an L-amino acid oxidase (LAAO) (EC 1.4.3.2) is an enzyme that catalyzes the chemical reaction:
Venom in snakes and some lizards is a form of saliva that has been modified into venom over its evolutionary history. In snakes, venom has evolved to kill or subdue prey, as well as to perform other diet-related functions. While snakes occasionally use their venom in self defense, this is not believed to have had a strong effect on venom evolution. The evolution of venom is thought to be responsible for the enormous expansion of snakes across the globe.
Hepatozoon cuestensis is a species of alveolates known to infect snake species such as Crotalus durissus terrificus (rattlesnake).
Hepatozoon cevapii is a species of alveolates protists known to infect snake species such as Crotalus durissus terrificus (rattlesnake).
Hepatozoon massardii is a species of alveolates known to infect snake species such as Crotalus durissus terrificus (rattlesnake).
Crotoxin (CTX) is the main toxic compound in the snake venom of the South American rattlesnake, Crotalus durissus terrificus. Crotoxin is a heterodimeric beta-neurotoxin, composed of an acidic, non-toxic and non-enzymatic subunit (CA), and a basic, weakly toxic, phospholipase A2 protein (CB). This neurotoxin causes paralysis by both pre- and postsynaptic blocking of acetylcholine signalling.
Crotalus tzabcan, the Yucatán neotropical rattlesnake, is a species of pit viper in the family Viperidae. It was previously thought to be a subspecies of Crotalus durissus, until Wüster elevated it to species status in 2005.
Crotalus durissus cumanensis is a subspecies of venomous pit viper from Colombia and Venezuela. They account for 1-3% of all snake bites in Colombia.
Crotalus durissus ruruima is a subspecies of venomous pit viper from Brazil. It is restricted mainly to the savannah regions of Roraima, however it has been recorded in the Apiaú region possibly due to the deforestation of its natural range.
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