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The giant squid (Architeuthis dux, pictured) was for a long time thought to be the largest extant cephalopod. It is now known that the colossal squid (Mesonychoteuthis hamiltoni) attains an even greater maximum size. The giant squid seen here measured 9.24 m (30.3 ft) in total length and had a mantle length of 1.79 m (5.9 ft).
The giant squid also exhibits abyssal gigantism, but the colossal squid is heavier. [29] Although it is unclear what the maximum weight for colossal squids is, analysis of squid beak dimensions from sperm whale stomachs provided estimates that colossal squids may weigh up to 700 kg or 1,500 lb. [5] [6]
A piece of sperm whale skin with giant squid sucker scars. Sperm whales usually dive between 300 and 800 metres (980 and 2,620 ft), and sometimes 1 to 2 kilometres (3,300 to 6,600 ft), in search of food. [155] Such dives can last more than an hour. [155]
Marine Patch says that they can dive 2,000 meters, or about 6,200 feet for up to two hours while hunting giant squid, sharks, skates, and fish. "Squid just so happens to be the sperm whales ...
A portion of sperm whale skin with giant squid sucker scars. 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 ...
O'Shea (2003b) put the maximum weight of female giant squid at 275 kg (606 lb), based on the examination of some 105 specimens as well as beaks recovered from sperm whales (which do not exceed the size of those found in the largest complete specimens; some of the heaviest recent specimens include #491 and 524).
On 9 November 2021, a video of a bigfin squid was captured at a ridge feature off the West Florida Escarpment by an ROV from the NOAAS Okeanos Explorer as part of the Windows to the Deep 2021 expedition. [29] [30] The squid was found at a depth of 2,385 m (7,825 ft), and its size is currently being measured using paired lasers. [31]
Scientists document remarkable sperm whale 'phonetic alphabet' Will Dunham. ... (18 meters) long, have the largest brain of any animal. They are deep divers, feeding on giant squid and other prey.