This article is about animals that inject venom. For animals poisonous on contact or when ingested, see list of poisonous animals.
Many venomous animals, such as this greater blue-ringed octopus (Hapalochlaena lunulata), are brightly colored or can display bright colors to warn potential predators
Numerous animal species naturally produce chemical toxins which are used to kill or incapacitate prey or as a defense against predators.
Venomous animals actively deliver their toxins (called venom) into their target through a specially designed mechanism, such as a bite or sting, by using a venom apparatus, such as fangs or a stinger, in a processes called envenomation.[1][2]
They are often distinguished from poisonous animals, which instead passively deliver their toxins (called poison) to their victims upon contact such as through inhalation, absorption through the skin, or after being ingested.[1][2][3] The only difference between venomous animals and poisonous animals is how they deliver the toxins.[3] This list deals exclusively with venomous animals.
Venoms have adapted to serve a wide variety of purposes. Their intended effects can range from mild fleeting discomfort to paralysis and death, and they may be highly selective in which species they target, often making them harmless to all but a few specific organisms; what may be fatal to one species may be totally insignificant to another species. Because the definition of "venomous" can be extremely broad, this list includes only those animals with venom that is known or suspected to be medically significant for humans or domestic animals.
^ abGupta, Ramesh C. (24 March 2017). Reproductive and developmental toxicology. Saint Louis. pp. 963–972. ISBN 978-0-12-804240-3. OCLC 980850276.{{cite book}}: CS1 maint: location missing publisher (link)
^ abChippaux, JP; Goyffon, M (2006). "[Venomous and poisonous animals--I. Overview]". Médecine Tropicale (in French). 66 (3): 215–20. ISSN 0025-682X. PMID 16924809.
^ ab"Poison vs. Venom". Australian Academy of Science. 3 November 2017. Retrieved 17 April 2022.
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aquatic and terrestrial animals, and among both predators and prey. The major groups ofvenomousanimals are described below. Venomous arthropods include spiders...
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process by which venom is injected by the bite or sting of a venomousanimal. Many kinds ofanimals, including mammals (e.g., the northern short-tailed shrew...
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Possani LD (March 2009). "Antidotes against venomousanimals: state of the art and prospectives". Journal of Proteomics. 72 (2): 183–99. doi:10.1016/j.jprot...
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senses prey in cloudy water through electrolocation. It is one of the few species ofvenomous mammals, as the male platypus has a spur on the hind foot that...
unicorn Xiangliu, venomous nine-headed snake-like monster that brings floods and destruction. Xiao (mythology), name for multiple types of mythical creatures...
Kielan-Jaworowska, Were mammals originally venomous?, Acta Palaeontologica Polonica 51 (1), 2006: 1-11 Grant, J. R. "Fauna of Australia chap.16 vol.1b" (PDF). Australian...
have been venomous and in that case this lizard was also the largest venomous vertebrate ever evolved. However, maximum size of this animal is subject...
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