However, it is sensitive to its surrounding environment and could be adversely impacted by pollution and climate change. Population numbers of this species are unknown, but it is secure and common in the waters off of British Columbia’s coast. She guards her eggs until they hatch four to six months later, never leaving them unattended, not even to eat. She will then lay thousands of white, rice grain-sized eggs along her den’s ceiling. After mating, the female looks for a suitable egg-laying spot, typically a cave with a tiny opening. The male uses an arm with a groove to insert a spermatophore (a clear, jelly-like, sperm-filled packet) into one of the female’s intake ports. It uses venom produced in its salivary glands to paralyze prey and its sharp beak to pierce and rip through flesh and break open crustaceans’ exoskeletons. clams) and small fish, occasionally eating sharks and birds. This nocturnal predator typically preys on crustaceans (e.g.
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It can also expel a black ink substance through its siphon.
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When threatened, it contracts its mantle muscles, pumping water from its body through a funnel tube to create jet propulsion for a speedy getaway.
GIANT OCTOPUS SKIN
Special skin pigments called chromatophores allow it to change colour and texture to match surrounding organisms and objects, such as coral, plants and rocks. It looks strange to those unaccustomed to eating it and has a chewy texture. This animal is both a master of disguise and an escape artist. GIANT OCTOPUS NI TAKO is daunting for those new to sushi or to making sushi as home. It lives in naturally occurring caves with tight openings in intertidal zones and in waters up to 100 metres deep. This species inhabits temperate northern Pacific waters ranging from California to British Columbia, and from Alaska to Japan. Reid.(Click on the image to enlarge) Where is it found? Norman, M., (2000) Cephalopods- A World Guide, ConchBooks, Germany (Hackenheim).The Search for the Giant Squid – The biology and mythology of the world’s most elusive sea creature, Penguin Books, New York. Sperm whales are known to feed on the Giant Squid, as the squid beak has been commonly found in the stomachs of beached sperm whales. The female would then store the sperm until her eggs are fully developed and ready to be fertilised- although it is unclear how she might access the stored sperm. It is thought from these two pieces of evidence that males use their penis almost like a hydraulic nail - inserting cords of sperm into the females skin. It is also known that male Giant Squids have a muscular, well developed penis up to a metre long. Numerous ropes of sperm were found radiating from a single point of entry in the skin, which is akin to many other squid species that store sperm in special receptacles or within their skin.
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Little is known of the breeding behaviours of Architeuthis dux, except for information provided by one female specimen caught off Tasmania in 1996. It is believed the animal’s buoyancy is aided by pockets of ammonia solution within the body walls. The fins of the Giant Squid are small, and the muscles appear to be poorly developed - so it is unlikely that these squids are fast swimmers. It is thought the prey is torn into small pieces by both the large beak and their large toothed tongue, or ‘radula’. The stomach contents of some specimens have contained pieces of fin rays from large fish and squid suckers almost as large as their own. On average, GPOs reach 16 feet in length and weigh 110 pounds. The deep, dark, cold waters of the open ocean - this species has been captured from depths of 400-800m. The Giant Pacific Octopus is the largest species of octopus.