Blue-lined octopus
Species of venomous cephalopod / From Wikipedia, the free encyclopedia
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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] It is most commonly found around intertidal rocky shores and coastal waters to a depth of 15 metres (49 ft) between southern Queensland and southern New South Wales. It is relatively small, with a mantle up to 45 millimetres (1.8 in) in length. In its relaxed state, it is a mottled yellow-brown with dark blue or black streaks covering the whole body apart from the underside of its arms, but its vibrant blue markings appear as a warning to predators when it feels threatened.[3] Along with its other closely related species, the blue-lined octopus is regarded as one of the most dangerous animals in the sea, and its venom can be fatal to humans.[2] 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 iridescent blue marking, as opposed to circular iridescent blue marking that the three other species tend to exhibit.[2]
Blue-lined octopus | |
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Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Mollusca |
Class: | Cephalopoda |
Order: | Octopoda |
Family: | Octopodidae |
Genus: | Hapalochlaena |
Species: | H. fasciata |
Binomial name | |
Hapalochlaena fasciata (Hoyle, 1886) | |
Synonyms[1] | |
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