![]() The four known species of blue-ringed octopus (Hapalochlaena, aka BRO) are named after the density and variation of their rings. In a subsequent video, the TikTok creator explained that she took the video three years ago when she went to Bali, Indonesia, to study abroad and work on a documentary about animal welfare. Despite being as little as 2 inches (5cm) long even with its arms stretched out this striking invertebrate is instantly recognizable with its vivid, ringed pattern. The paralysis will deprive the body of oxygen and lead to death, according to Healthline.ĬNET reported that the blue-ringed octopus is the third-most venomous animal in the world, right behind the Inland Tapian Snake and the box jellyfish taking the second and first spots, respectively. The name cephalopod comes from the Greek words kephalos for head and podos for foot. There are at least 10 species of tiny blue-ringed octopuses, which, ironically for their size, are the most deadly of all cephalopods. The common name comes from the bright blue rings that appear. ![]() Two well-known examples are the lesser (Southern) blue-ringed octopuses, Hapalochlaena maculosa (Hoyle, 1883), and the greater blue-ringed octopuses, Hapalochlaena lunulata, (Quoy and Gaimard, 1832). It is said that the venom of this octopus could kill 26 adults in just a few minutes. There are at least 10 species of tiny blue-ringed octopuses, which, ironically for their size, are the most deadly of all cephalopods. All are thought to be venomous and for their size, they are the most deadly of all cephalopods. Protostome blastopore forms the mouth in all animals except echinoderms. They are part of the Class Cephalopodea, a distinctive group of animals so named because their limbs are attached to their head. The greater blue-ringed octopus is one of several species of blue-ringed octopuses. Chiton Chiton Reef Squid Cuttlefish Blue-ring octopus Chambered nautilus. All About the Blue Ringed Octopus - YouTube 0:00 / 2:08 All About the Blue Ringed Octopus NG Science 22.5K subscribers Subscribe 60 Share 9. ![]() Oceana's website states that the blue-ringed octopus is "one of the most venomous octopus species in the world" - and that there's currently "no known anti-venom to treat a person who has been bitten."Īccording to Healthline, the venom from the blue-ringed octopus is called tetrodotoxin, or TTX, and it can paralyze a human in minutes. Blue-ringed octopuses belong to the Phylum Mollusca (the molluscs) which includes snails, slugs and bivalves. There are four species of the blue-ringed octopus that live in the western Pacific and Indian oceans, according to Oceana, an organization that protects international oceans.
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