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The major neurotoxin component of the blue-ringed octopus is a compound originally known as 'maculotoxin'; in 1978, this maculotoxin was found to be tetrodotoxin, [17] a neurotoxin also found in pufferfish, rough-skinned newts, and some poison dart frogs; the blue-ringed octopus is the first reported instance in which tetrodotoxin is used as a ...
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.
The hooded pitohui.The neurotoxin homobatrachotoxin on the birds' skin and feathers causes numbness and tingling on contact.. 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.
Octopus Cuvier, 1798 (99 species) Paroctopus Naef, 1923 (3 species) Pinnoctopus d'Orbigny, 1845 (2 species) Pteroctopus P. Fischer, 1882 (6 species) Robsonella Adam, 1938 (2 species) Scaeurgus Troschel, 1857 (5 species) Teretoctopus Robson, 1929 (2 species) Thaumoctopus Norman & Hochberg, 2005 (monotypic) Wunderpus Hochberg, Norman & Finn, 2006 ...
A type of marine mollusc in the Cephalopod class of the Mollusca order — the Octopus. The preferred plural form is Octopuses. Subcategories. This category has the ...
What makes this octopus famous is its venom. Saliva glands of the southern blue-ringed octopus produce the deadly neurotoxin, maculotoxin. [10] The neurotoxin, tetrodotoxin (TTX), is secreted in the posterior salivary gland, which is located in the intestinal blood system of the octopus. This may provide the toxin into its bloodstream.
The greater blue-ringed octopus, despite its vernacular name, is a small octopus whose size does not exceed 10 centimetres (3.9 in), arms included, with an average weight of 80 grams (2.8 oz). Its common name comes from the relatively large size of its blue rings (7 to 8 millimetres [0.28 to 0.31 in] in diameter), which are larger than those of ...
This benthic octopus is one of four members of the genus Hapalochlaena, with the other species being the greater blue-ringed octopus (Hapalochlaena lunulata), southern blue-ringed octopus (Hapalochlaena maculosa), and the blue-ringed octopus (Hapalochlaena nierstraszi). The blue-lined octopus is the only species of the four to display lined ...