Blue ringed octopus. Docile but Deadly

Blue Ringed Octopus Facts

Blue ringed octopus

Couple this with rampant environmental degradation of the inshore habitats in which blue-rings occur, and we must be concerned about the conservation of these octopuses. The paralysis that overcomes the victim is only to their voluntary muscles; they remain fully conscious. A very beautiful animal with special features and looks but then, very dangerous to humans. Thank you for such detailed information. They are able to move very quickly through the water as well. The Systematic and Nomenclatural Status of the Octopodinae Described from the Indian Ocean Excluding Australia and the Red Sea. What does a Blue Ringed Octopus Look Like? Sex determination and mating in the blue-ringed octopus, Hapalochlaena lunulata.

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10 Amazing Facts about the Blue Ringed Octopus

Blue ringed octopus

Still the bottomline is respect for all so we can be able to avoid problems regarding this matter. It is far easier to spot them on barren sandy slopes as there are far fewer places for them to live. It is believed that the ink sac they have is one part of evolution. Where Can I Dive with a Blue-Ringed Octopus? Octopuses from genus Hapalochlaena have two kinds of venom glands that impregnate their saliva. There is no antivenom for a blue-octopus bite, but tetradotoxin is metabolized and excreted within a few hours.

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Greater blue

Blue ringed octopus

They are successful hunters due to their speed. Pixabay A single blue-ringed octopus bite can cause paralysis and death. What is particularly interesting is that the venom is not produced by the octopus itself, but rather by a bacteria that lives symbiotic in the salivary glands of the octopus. They will also gather rocks and rubble around their lair to block any entrances so predators cannot get to them. Pretty colors usually indicate danger in small animals like this though, so I knew they were dangerous. It seems as difficult for the hobbyist encountering a blue-ring in the local fish emporium to resist buying one as it is for a beachcomber in southern Australia not pick up a cute little octopus seductively pulsing its iridescent blue rings.

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Docile but Deadly

Blue ringed octopus

They can also release ink to help hide themselves while they look for a safe place to take cover. Fact 5 : Only a few people are attacked each year Encounters with this reclusive creature are rare, but people have been bitten after handling accidentally stepping on a blue-ringed octopus. They do change that tune though when they are ready to take part in mating. They continue to find new homes every couple of weeks for safety. Thanks for this very interesting and informative article on the Blue Ringed Octopus. They include whales, eels, and birds.

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So why should you NOT buy a blue

Blue ringed octopus

The bite is painless to humans but effects appear any time between 15-30 minutes and up to four hours, though the rate of onset of symptoms varies by individual, and children are more sensitive to the toxins. I just wish there was a better way to safely have people swim and still not kill these animals. The blue rings, which number around 60, are spread throughout the entire animal's coat. Experiments with rabbits showed that a single adult blue-ringed octopus weighing just 25 g possessed enough venom to fatally paralyze 10 large humans. A tourist brazenly handles one of the most venomous octopuses in the world. Smithsonian Contributions to Zoology: Number 586, 489-520.

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Blue Ringed Octopus Facts

Blue ringed octopus

They believe that the venom has only continued to get stronger over time. Thank you for this gorgeous post full of useful information and beautiful photos of the blue ringed octopus. Death usually occurs as a result of lack of oxygen. Then it can consume the food source inside of it. In: Systematics and Biogeography of Cephalopods, Vol.

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10 Amazing Facts about the Blue Ringed Octopus

Blue ringed octopus

Also, some are undoubtedly collected using cyanide or other poisons and die just days after purchase. Starting at approximately the size of a pea and only growing to the size of a golf ball, this little guy can often be missed. What is unique is that such a small creature can have such a powerful amount of venom in their bodies. These blue-ringed ocean dwellers have a pretty short lifespan. This is very helpful and I hope a lot of people get to read it.

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