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Atlantic Giant Squid
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Kingdom
Animalia
Phylum
Mollusca
Class
Cephalopoda
Order
Teuthida
Family
Architeuthidae
Genus
Architeuthis
Species
A. dux
Status
Least Concern
Biome
Open Ocean


The Giant Squid (genus Architeuthis) is a deep-ocean dwelling squid in the family Architeuthidae. Giant squid can grow to a tremendous size (see Deep-sea gigantism): recent estimates put the maximum size at 13 m (43 ft) for females and 10 m (33 ft) for males from the posterior fins to the tip of the two long tentacles (second only to the colossal squid at an estimated 14 m (46 ft), one of the largest living organisms). The mantle is about 2 m (6.6 ft) long (more for females, less for males), and the length of the squid excluding its tentacles is about 5 m (16 ft). Claims of specimens measuring 20 m (66 ft) or more have not been scientifically documented.

DescriptionEdit

Like all squid, a giant squid has a mantle (torso), eight arms, and two longer tentacles (the longest known tentacles of any cephalopod). The arms and tentacles account for much of the squid's great length, making it much lighter than its chief predator, the sperm whale. Scientifically documented specimens have masses of hundreds, rather than thousands, of kilograms. Giant squid have small fins at the rear of their mantles used for locomotion. Like other cephalopods, they are propelled by jet – by pulling water into the mantle cavity, and pushing it through the siphon, in gentle, rhythmic pulses. They can also move quickly by expanding the cavity to fill it with water, then contracting muscles to jet water through the siphon. Giant squid breathe using two large gills inside the mantle cavity. The circulatory system is closed, which is a distinct characteristic of cephalopods. Like other squid, they contain dark ink used to deter predators.

DistributionEdit

Giant squid are widespread, occurring in all of the world's oceans. They are usually found near continental and island slopes from the North Atlantic Ocean, especially Newfoundland, Norway, the northern British Isles, Spain and the oceanic islands of the Azores and Madeira, to the South Atlantic around southern Africa, the North Pacific around Japan, and the southwestern Pacific around New Zealand and Australia. Specimens are rare in tropical and polar latitudes.

BehaviorEdit

Little is known about the reproductive cycle of giant squid. They are thought to reach sexual maturity at about three years old; males reach sexual maturity at a smaller size than females. Females produce large quantities of eggs, sometimes more than 5 kg (11 lb), that average 0.5 to 1.4 mm (0.020 to 0.055 in) long and 0.3 to 0.7 mm (0.012 to 0.028 in) wide. Females have a single median ovary in the rear end of the mantle cavity and paired, convoluted oviducts, where mature eggs pass exiting through the oviducal glands, then through the nidamental glands. As in other squid, these glands produce a gelatinous material used to keep the eggs together once they are laid.

Preferred ObjectsEdit

v · e · d
Animals
Basic
African Elephant - African Lion - Bald Eagle - Bengal Tiger - Cheetah - Chimpanzee - Duck-billed Platypus - Galapagos Tortoise - Giant Anteater - Giant Panda - Gray Wolf - Greater Flamingo - Grizzly Bear - Hippopotamus - Honey Badger - Komodo Dragon - Mountain Gorilla - Orangutan - Ostrich - Plains Zebra - Polar Bear - Red Kangaroo - Reticulated Giraffe - Saltwater Crocodile - Siberian Tiger - Superb Lyrebird - Thompson's Gazelle - Warthog - White-headed Capuchin - White Rhinoceros
Aquatic
Atlantic Giant Squid - Atlantic Sailfish - Australian Pelican - Beluga - Bottlenose Dolphin - Bull Shark - California Sea Lion - Emperor Penguin - Giant Pacific Octopus - Goliath Grouper - Great White Shark - Green Sea Turtle - Harp Seal - Japanese Spider Crab - Leatherback Sea Turtle - Lion's Mane Jellfish - Manta Ray - Marine Iguana - Mimic Octopus - Narwhal - Northern Elephant Seal - Orca - Sea Otter - Smooth Hammerhead Shark - Tiger Shark - Walrus - Wandering Albatross - West Indian Coelacanth - West Indian Manatee - Whale Shark
Extinct
Allosaurus - Ankylosaurus - Archelon - Archeopteryx - Brontosaurus - Carnotaurus - Ceratosaurus - Deinosuchus - Dodo - Dunkleosteus - Gigantopithecus - Glyptodon - Ichthyosaur - Megatherium - Moa - Oviraptor - Pachycephalosaurus - Parasaurolophus - Plesiosaurus - Quetzalcoatlus - Smilodon - Spinosaurus - Stegosaurus - Styracosaurus - Thylacine - Triceratops - Tyrannosaurus Rex - Velociraptor - Woolly Mammoth - Woolly Rhinoceros
Mythical
Ahool - Black Dog - Bunyip - Chupacabra - Death Worm - Dover Demon - Drop Bear - Eastern Dragon - El Cuero - European Dragon - Fiji Mermaid - Hodag - Jackalope - Jersey Devil - Kappa - Loch Ness Monster - Loveland Frogman - Manticore - Mokele-Mbembe - Mothman - Nightcrawler - Northwest Tree Octopus - Ogopogo - Phoenix - Sasquatch - Sea Monk - Sea Serpent - Thunderbird - Unicorn - Yeti
Characters
Zookeeper Zane - Cheeko
Types of Items
Buildings - Plants - Attractions - Paths - Fences - Decorations - Animal Food - Enrichment - Shelter (Exhibit)
Biomes
Alpine (Biome) - Boreal Forest (Biome) - Desert (Biome) - Open Ocean (Biome) - Plains (Biome) - Rainforest (Biome) - Reef (Biome) - Savanna (Biome) - Shore (Biome) - Swamp (Biome) - Temperate Forest (Biome) - Tundra (Biome)
Modes
Tutorial Mode - Task Mode - Sandbox Mode (Keeper Mode - God Mode)

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