List of poisonous animals

The following is a list of poisonous animals, which are animals that passively deliver toxins (called poison) to their victims upon contact such as through inhalation, absorption through the skin, or after being ingested.[1][2] They are often distinguished from venomous animals, which actively inject their toxins (called venom) into their victims through a venom apparatus such as fangs or a stinger.[1][2] The only difference between poisonous animals and venomous animals is how they deliver the toxins.[3][2] This list deals exclusively with poisonous animals.

This article is about animals poisonous on contact or when ingested. For animals that inject venom, see list of venomous animals.
The hooded pitohui. The neurotoxin homobatrachotoxin on the birds' skin and feathers causes numbness and tingling on contact.

Poisonous animals

This list is a partial list of animals that are poisonous to humans and other animals in that their flesh is toxic if consumed, or in some cases if they are touched:

Mammals
  • Slow loris (usually thought of as venomous, but they also lick their fur, making it toxic)[4]

Birds

Snakes

Frogs and toads

Salamanders
Most birds dislike the taste of monarch butterflies; they contain toxins from poisonous milkweed, ingested as caterpillars.

Fish

Cephalopods

Insects

Crustaceans

Cnidarians

Echinoderms

Annelids

Nemerteans
  • Antarctonemertes valida is one of several nemerteans which make use of defensive toxic secretions[13]

Flatworms

Sponges

Placozoans
  • Trichoplax use large specialized cells to release antipredatory toxins[15]

See also

References
  1. Gupta, 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)
  2. Chippaux, JP; Goyffon, M (2006). "[Venomous and poisonous animals--I. Overview]". Médecine Tropicale (in French). 66 (3): 215–20. ISSN 0025-682X. PMID 16924809.
  3. "Poison vs. Venom". Australian Academy of Science. 3 November 2017. Retrieved 17 April 2022.
  4. Nekaris, K. Anne-Isola; Moore, Richard S.; Rode, E. Johanna; Fry, Bryan G. (2013-09-27). "Mad, bad and dangerous to know: the biochemistry, ecology and evolution of slow loris venom". Journal of Venomous Animals and Toxins Including Tropical Diseases. 19 (1): 21. doi:10.1186/1678-9199-19-21. ISSN 1678-9199. PMC 3852360. PMID 24074353.
  5. Bartram, S.; Boland, W. (2001). "Chemistry and ecology of toxic birds". ChemBioChem. 2 (11): 809–811. doi:10.1002/1439-7633(20011105)2:11<809::aid-cbic809>3.0.co;2-c. PMID 11948866. S2CID 6259254.
  6. Williams, Becky L.; Brodie Jr., Edmund D.; Brodie III, Edmund D. (2004). "A resistant predator and its toxic prey: persistence of newt toxin leads to poisonous (not venomous) snakes" (PDF). Journal of Chemical Ecology. 30 (10): 1901–1919. doi:10.1023/B:JOEC.0000045585.77875.09. PMID 15609827. S2CID 14274035.
  7. "Western Newts". Toxic Animals Around The World. December 2005.
  8. "Kings of Camouflage". NOVA. April 3, 2007. "Well, it turns out the flamboyant cuttlefish is toxic. It's as toxic as blue-ringed octopuses."
  9. Rowlett, Joe (2018-04-11). "Rhodactis Mushroom Corals Are Surprisingly Deadly". Reefs.com.
  10. Pearsonothuria graeffei – Invertebrate Zoology
  11. An investigation into the toxicity of tissue extracts from two distinct marine Polychaeta
  12. Toxicity of the purple mucus of the polychaete Halla parthenopeia (Oenonidae) revealed by a battery of ecotoxicological bioassays
  13. Evolution, Expression Patterns, and Distribution of Novel Ribbon Worm Predatory and Defensive Toxins
  14. Meet, but don't touch, the toxic invasive worm that experts say has been hiding in plain sight
  15. Neural versus alternative integrative systems: molecular insights into origins of neurotransmitters - Journals
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