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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 ...
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 ...
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.
Animals are all around us. Because of their proximity, many people take for granted how truly dangerous some animals really are. Let’s discuss the 10 most dangerous animals in the world ranked ...
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.
An octopus (pl.: octopuses or octopodes [a]) is a soft-bodied, eight-limbed mollusc of the order Octopoda (/ ɒ k ˈ t ɒ p ə d ə /, ok-TOP-ə-də [3]).The order consists of some 300 species and is grouped within the class Cephalopoda with squids, cuttlefish, and nautiloids.
American zoologist G. H. Parker found that the largest suckers on a giant Pacific octopus are about 6.4 cm (2.5 in) and can support 16 kg (35 lb) each. [3] The only other possible contender for the largest species of octopus is the seven-arm octopus ( Haliphron atlanticus ), based on a 61-kilogram (134-pound), incomplete carcass estimated to ...
The blue-lined octopus (Hapalochlaena fasciata) is one of four species [2] of highly venomous blue-ringed octopuses. It can be found in Pacific Ocean waters that stretch from Australia to Japan . [ 2 ]