Octopuses are known for their intelligence and the blanket octopus is no exception. Being nomadic creatures, they move about to different locations every couple of days. The blanket octopus is found in both subtropical and tropical oceans, living amongst the coral reefs. The common name of the breathtaking creature, understandably, occurs due to the long transparent webs it develops. They can learn and recall, as well as mimic behaviours exhibited by other octopuses. Many viewers compared these creatures to mermaids.Mermaids or not, they are certainly beautiful and ethereal enough to make one believe in magic… Unlike most of the other octopus species, the Blanket Octopus inhabits the open ocean and has adapted to a nomadic lifestyle. Though the female blanket octopus is already large—growing to around 2 metres in length!
Blanket octopuses spend their whole lives (3-5 years) floating in the open ocean, and, when threatened, swoop down into deeper waters with their capes flowing behind them. With a hydrostatic organ, the octopus can maintain depth without floating upward or sinking, so it never exhausts itself swimming.
Only female blanket octopuses have their famed blankets! The only way to distinguish between them is to spot the male’s hectocotylus, which is the male modified arm that carries the spermatophores.Blanket octopuses display a sexual dimorphism when it comes to size. In contrast, the male blanket octopus measures a mere 2.4cm—smaller than a walnut—meaning the blanket octopus have the largest gender size discrepancy in the animal kingdom! This cape makes the octopus appear larger and more intimidating to potential predators. The Blanket Octopus gets its name from its female counterpart: rarely-seen and super-sized, the female blanket octopus has a long, fleshy ‘cape’ enclosing its tentacles. The males do not have a cape at all. Scientists didn’t discover a single, male blanket octopus until 2002 because they were looking for the wrong size. They detach their arm into the female and die shortly after mating. They have also been observed to demonstrate temperaments and preferences towards different behaviours and creatures. In 2017, a rare female blanket octopus was spotted off the Great Barrier Reef! Blanket Octopus Facts The Blanket Octopus, or Tremoctopus, forms a genus of pelagic cephalopods. They are known for their tool use- they tear Portuguese Man O'War tentacles off to use as weapons! The blanket octopus is listed as least concern (population trend unknown) on the International Union for Conservation of Nature’s Red List of Threatened Species. Though coral reefs are important habitats to them and they rely on the flourishing of the coral. Females are much larger than males. Blanket octopus Adult female Tremoctopus: Scientific classification; Kingdom: Animalia: Phylum: Mollusca: Class: Cephalopoda: Order: Octopoda: Family: Tremoctopodidae Tryon, 1879: Genus: Tremoctopus Chiaje, 1830: Type species; Tremoctopus violaceus. delle Chiaje, 1830. How to Tell This Is a Female Blanket Octopus. Make a donation to protect the graceful blanket octopus and its Reef habitat. It is usually extremely hard to tell the difference between a male and a female octopus. Mating for the blanket octopus is deadly. Blanket Defense. There are currently four species of blanket octopus known. The female blanket octopus is 80 to 100 times longer than the male!It was therefore very easy for the observer to tell that these two Blanket Octopuses were females.Spotting an adult blanket octopus in the wild is a rare and special treat. This, combined with their creative method of protection and hunting, suggests a high intelligence for the elusive octopuses. With the largest gender size discrepancy in the animal kingdom, a male blanket octopus weighs 40,000 times less than the female.The Blanket Octopus gets its name from its female counterpart: rarely-seen and super-sized, the female blanket octopus has a long, fleshy ‘cape’ enclosing its tentacles. The blanket octopus’ predators include larger fish and whales! This cape makes the octopus appear larger and more intimidating to potential predators. Maybe they considered their size trivial in comparison to the huge predators they so often come across in the deepest parts of the ocean…Whatever the case might be, the fact remains that the sight of these grand octopuses is simply mesmerizing.
Though the female blanket octopus is already large—growing to around 2 metres in length! The blanket octopus is immune to the deadly sting of jellyfish tentacles! After that, she will most likely die as well. The blankets can be folded under the octopus’ arms to make for a faster getaway, if needed. Females can be up to 40,000 times more massive than males. The depth of the waters was between 9 and 22 meters. The common blanket octopus or violet blanket octopus (Tremoctopus violaceus) is a large octopus of the family Tremoctopodidae found worldwide in the epipelagic zone of warm seas. Donations of $2.00 or more are tax deductible in Australia provided they are made voluntarily and the donor receives no material benefit for the donation. Fortunately, male blanket octopi have developed a solution. These graceful creatures can adapt to a variety of water temperatures, expanding the water they can roam in. However, if she detects a threat or the presence of a nearby predator, she will unfurl the webbing and allow it to billow in the water.In the case of these two females, their blankets are noticeable but not fully unfurled. These divers were certainly lucky to enjoy such an encounter!Even though such encounters are rare, these two females did not feel so threatened by the observers.
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