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Vipers are snakes in the family Viperidae, found in most parts of the world, except for Antarctica, Australia, Hawaii, Madagascar, New Zealand, Ireland, and various other isolated islands. They are venomous and have long, hinged fangs that permit deep penetration and injection of their venom. Three subfamilies are currently recognized. They are also known as viperids. The name "viper" is derived from the Latin word vipera, -ae, also meaning viper, possibly from vivus ("living") and parere, referring to the trait viviparity common in vipers like most of the species of Boidae.
A snakebite is an injury caused by the bite of a snake, especially a venomous snake. A common sign of a bite from a venomous snake is the presence of two puncture wounds from the animal's fangs. Sometimes venom injection from the bite may occur. This may result in redness, swelling, and severe pain at the area, which may take up to an hour to appear. Vomiting, blurred vision, tingling of the limbs, and sweating may result. Most bites are on the hands, arms, or legs. Fear following a bite is common with symptoms of a racing heart and feeling faint. The venom may cause bleeding, kidney failure, a severe allergic reaction, tissue death around the bite, or breathing problems. Bites may result in the loss of a limb or other chronic problems or even death.
The Atractaspididae (atractaspidids) are a family of venomous snakes found in Africa and the Middle East, commonly called mole vipers, stiletto snakes, or burrowing asps. Currently, 12 genera are recognized.
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.
The boomslang is a highly venomous snake in the family Colubridae. The species is native to Sub-Saharan Africa.
Onychectomy, popularly known as declawing, is an operation to remove an animal's claws surgically by means of the amputation of all or part of the distal phalanges, or end bones, of the animal's toes. Because the claw develops from germinal tissue within the third phalanx, amputation of the bone is necessary to fully remove the claw. The terms onychectomy and declawing imply mere claw removal, but a more appropriate description would be phalangectomy, excision of toe bone.
Envenomation is the process by which venom is injected by the bite or sting of a venomous animal.
Devocalization is a surgical procedure where tissue is removed from the vocal cords.
Snake charming is the practice of appearing to hypnotize a snake by playing and waving around an instrument called a pungi. A typical performance may also include handling the snakes or performing other seemingly dangerous acts, as well as other street performance staples, like juggling and sleight of hand. The practice was historically the profession of some tribesmen in India well into the 20th century but snake charming declined rapidly after the government banned the practice in 1972. Snake-charmer performances still happen in other Asian nations such as Pakistan, Bangladesh, Sri Lanka, Thailand and Malaysia. The tradition is also practiced in North African countries of Egypt, Morocco, and Tunisia.
Toxicofera is a proposed clade of scaled reptiles (squamates) that includes the Serpentes (snakes), Anguimorpha and Iguania. Toxicofera contains about 4,600 species of extant Squamata. It encompasses all venomous reptile species, as well as numerous related non-venomous species. There is little morphological evidence to support this grouping; however, it has been recovered by all molecular analyses as of 2012.
Boiga dendrophila, commonly called the mangrove snake or the gold-ringed cat snake, is a species of rear-fanged venomous snake in the family Colubridae. The species is endemic to southeast Asia. It is one of the biggest cat snake species, averaging 8–9 feet in length. It is considered mildly venomous. Although moderate envenomations resulting in intense swelling have been reported, there has never been a confirmed fatality.
Rhabdophis subminiatus, commonly called the red-necked keelback or red-necked keelback snake, is a species of venomous snake in the subfamily Natricinae of the family Colubridae. The species is endemic to Asia. Unusual for snakes, it is also poisonous.
Venomous snakes are species of the suborder Serpentes that are capable of producing venom, which they use for killing prey, for defense, and to assist with digestion of their prey. The venom is typically delivered by injection using hollow or grooved fangs, although some venomous snakes lack well-developed fangs. Common venomous snakes include the families Elapidae, Viperidae, Atractaspididae, and some of the Colubridae. The toxicity of venom is mainly indicated by murine LD50, while multiple factors are considered to judge the potential danger to humans. Other important factors for risk assessment include the likelihood that a snake will bite, the quantity of venom delivered with the bite, the efficiency of the delivery mechanism, and the location of a bite on the body of the victim. Snake venom may have both neurotoxic and hemotoxic properties. There are about 600 venomous snake species in the world.
Causus is a genus of vipers found only in sub-Saharan Africa. It is a group considered to be among the most primitive members of the family Viperidae based on head scalation, oviparity, venom apparatus, and because they have round pupils. However, this is contradicted by recent molecular studies. Seven species are currently recognized. They are commonly known as night adders. Like all other vipers, they are venomous.
Veterinary surgery is surgery performed on non-human animals by veterinarians, whereby the procedures fall into three broad categories: orthopaedics, soft tissue surgery, and neurosurgery. Advanced surgical procedures such as joint replacement, fracture repair, stabilization of cranial cruciate ligament deficiency, oncologic (cancer) surgery, herniated disc treatment, complicated gastrointestinal or urogenital procedures, kidney transplant, skin grafts, complicated wound management, and minimally invasive procedures are performed by veterinary surgeons. Most general practice veterinarians perform routine surgeries such as neuters and minor mass excisions; some also perform additional procedures.
The desert death adder is a species of snake native to Australia and is one of the most venomous land snakes in the world. The desert death adder is under threat due to the destruction of habitat.
Raymond Terrence Hoser is an Australian snake-catcher and author.
A dry bite is a bite by a venomous animal in which no venom is released. Dry snake bites are called "venomous snake bite without envenoming". A dry bite from a snake can still be painful, and be accompanied by bleeding, inflammation, swelling and/or erythema. It may also lead to infection, including tetanus.
Dwyer's snake also known as the variable black-naped snake, is a species of venomous snake in the family Elapidae. The species is endemic to Australia, where it is found from New South Wales to South Queensland. While closely related to Australian sea snakes, S. dwyeri is a terrestrial reptile.
Uatchitodon is an extinct genus of Late Triassic reptile known only from isolated teeth. Based on the structure of the teeth, Uatchitodon was probably a carnivorous archosauromorph. Folded grooves on the teeth indicate that the animal was likely venomous, with the grooves being channels for salivary venom. The teeth are similar to those of living venomous squamates such as Heloderma and venomous snakes. Uatchitodon is the earliest known venomous reptile.
References
- ↑ Jeff Miller Venomoids: An Overview The Southeastern Hot Herp Society March 29, 2001
- 1 2 "Venomoid FAQ - questions and answers about venomoid snakes". www.snakegetters.com. Archived from the original on 2017-02-07. Retrieved 2024-12-12.
- ↑ Hoser, Raymond (March 2004). "Surgical Removal of Venom Glands in Australian Elapid Snakes: The creation of venomoids". The Herptile. 29 (1): 36–52. Archived from the original on August 27, 2024.
- ↑ Davenport, Clay. "Hybrids and Venomoids And Other Controversial Topics". The last word. Clay Davenport Captive Bred Reptiles. Archived from the original on July 5, 2008. Retrieved 2008-10-16.
- ↑ "Veterinary Ethics: What About Venomoids?". Snake Getters. Archived from the original on September 26, 2015.
- ↑ Boyer TH (May 2006). "Common procedures with venomous reptiles". The Veterinary Clinics of North America. Exotic Animal Practice. 9 (2): 269–85, vi. doi:10.1016/j.cvex.2006.03.006. PMID 16759947.
- ↑ "Prevention of Cruelty to Animals Act 1986 – Sect 36". Victorian Consolidated Legislation. AustLII. Retrieved 2008-10-16.
- ↑ "Hoser v Department of Sustainability & Environment (Occupational and Business Regulation) [2008] VCAT 2035 (30 September 2008)". Victorian Civil and Administrative Tribunal Decisions. AustLII. Retrieved 2008-10-16.
- ↑ Mex Cooper 'De-venomised' snakes ruled dangerous The Age October 15, 2008