https://www.youtube.com/watch?v=_bqvW452USw
There is a huge range in sizes among cephalopods. The smallest of these invertebrates are only about 1 centimetre long and weigh less than 1 gram when they r

https://www.guinnessworldrecords.com/world-records/716793-largest-cephalopods
The largest living cephalopods (a group of molluscs that include squid, octopuses and cuttlefish) are two species of mega-squid. Based on length, the record holder is the giant squid (Architeuthis dux) which can grow to at least 13 m (42 ft 8 in); most of this length is in its tentacles with the main body (mantle) reaching up to 2.25 m (7 ft 5 in).

https://en.wikipedia.org/wiki/Cephalopod_size
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).. Cephalopods, which include squids and octopuses, vary enormously in

https://ocean.si.edu/ocean-life/invertebrates/giant-squid
Giant squid live up to their name: the largest giant squid ever recorded by scientists was almost 43 feet (13 meters) long, and may have weighed nearly a ton. ... The museum's collection also includes the holotypes for 164 cephalopod species, including 66 squid species. Holotypes are the specimens that were used by scientists to formally

https://www.nhm.ac.uk/discover/giant-and-colossal-squid-revealing-secrets-largest-invertebrates.html
Living in the darkness of the deep sea, the world's largest cephalopods lurk, waiting for their next meal. Thought to grow longer than a London bus, the giant squid (Architeuthis dux) and the colossal squid (Mesonychoteuthis hamiltoni) tip the scales with weights of hundreds of kilogrammes.But although their enormous size should make them hard to miss, these cephalopods have continued to

https://en.wikipedia.org/wiki/List_of_giant_squid_specimens_and_sightings
The existence of gigantic cephalopods is no longer an open question. I, now, more than ever, appreciate the value of the adage: "Truth is stranger than fiction." ... reported by Verrill (1880a:191) is often cited as the largest giant squid ever recorded, and the 55 ft 2 in (16.81 m) (or 57 ft [17.37 m

https://www.americanoceans.org/facts/largest-squid-species-ranked/
The colossal squid also has the biggest eyes of all animals, helping it find and hunt prey in the murky ocean depths.. It is, however, shorter than the giant squid but weighs more than it due to the giant squid's smaller body. This species is an ambush predator and has the largest beak in the squid family.. It mainly feeds on large fish species, like Patagonian toothfish and other squid in

https://www.livescience.com/giant-squid.html
Giant squid are massive, but they still have competition for the title of biggest ocean cephalopod. Colossal squid (Mesonychoteuthis hamiltoni) live in the Southern Ocean at depths of at least

https://www.livescience.com/what-is-largest-squid
The giant squid ( Architeuthis dux) is the longest squid, and the colossal squid ( Mesonychoteuthis hamiltoni) is the heaviest. The giant squid, found in every ocean, is estimated to reach up to

https://oceanconservancy.org/blog/2022/02/17/meet-4-largest-cephalopods/
Giant Pacific octopus. i. About 12 feet long. The giant Pacific octopus is the largest and longest-living of all octopus species. On average, they are about 12 feet in length and weigh more than 50 pounds. Giant Pacific octopuses are venomous. (All octopuses and cuttlefish are venomous.) They inject their venom into prey through their sharp beaks.

https://en.wikipedia.org/wiki/List_of_Colossal_Squid_specimens_and_sightings
The largest known complete specimen of the colossal squid—and the heaviest recorded extant cephalopod—was a mature female captured in the Ross Sea in February 2007. Its weight was initially estimated at 450 kg (990 lb), its mantle length at 4 m (13 ft), and its total length at 8-10 m (26-33 ft).

https://www.marinebio.org/species/giant-squid/architeuthis-dux/
Giant squid, Architeuthis dux (Steenstrup, 1857), of the family Architeuthidae, are possibly the largest known cephalopod, the largest known mollusk and, likely, the largest invertebrate ever known to exist (except for possibly colossal squids, Mesonychoteuthis hamiltoni which may have a mantle length nearly twice the size of the giant squid!). These squid have been reported frequently in the

https://earthlife.net/cephalopoda/
While the largest cephalopod species is by weight is the Colossal Squid (Mesonychoteuthis hamiltoni). The largest specimen ever recorded was caught in the Ross Sea in February 2007, it weighed 450 kg (990 lb). This giant however measured a mere ten meters in total body length, as recorded by The Guiness Book of Records.

https://ocean.si.edu/ocean-life/invertebrates/how-big-are-cephalopods
The cephalopods come in all sizes, from the tiny bobtail squids that could fit on a human fingernail to the enormous giant squid that reaches lengths comparable to a school bus. Here is a size comparison of a few of the cephalopods to scale with their lengths and weights noted. Tags: Squids & Octopuses.

https://www.guinnessworldrecords.es/world-records/716793-largest-cephalopods
The Guinness World Records Official site with ultimate record-breaking facts & achievements. Do you want to set a world record? Are you Officially Amazing? Giant squid, Architeuthis dux, Colossal squid, Mesonychoteuthis hamiltoni. RÉCORDS PRESENTAR UNA SOLICITUD PARA ESTABLECER O ROMPER UN RÉCORD. Invita a un adjudicador. Consultoría.

https://www.smithsonianmag.com/science-nature/is-this-the-first-recorded-footage-of-a-colossal-squid-living-freely-180984482/
The Antarctic water where Mulrennan's team spotted the squid was full of marine snow, giving the video a grainy quality reminiscent of the first photos of another little-known cephalopod: the

https://en.wikipedia.org/wiki/Colossal_squid
The colossal squid has the largest eyes of any known creature ever to exist, with an estimated diameter of 27-30 cm (11-12 in) to 40 cm (16 in) for the largest collected specimen. The species has similar anatomy to other members of its family, although it is the only member of Cranchiidae to display hooks on its arms, suckers and tentacles.

https://www.nationalgeographic.com/science/article/newfound-fossil-octopus-and-squid-were-giants
Measuring a ridge that runs up the front of squid beaks, Tanabe and coworkers found that Haboroteuthis had a "crest length" of about 2.4 inches. A 25-foot-long giant squid caught off New

https://theconversation.com/meet-the-ten-armed-325-million-year-old-octopus-fossil-named-after-president-joe-biden-178566
Some 325-328 million years later, a new paper published in Nature Communications provides some interesting insights into this mysterious and ancient cephalopod. Syllipsimopodi bideni is small

https://www.palaeontologyonline.com/articles/2018/fossil-focus-coleoid-cephalopods-squid-cuttlefish-octopus/
Named as a squid, both soft-tissue (note number of arms) and shell morphology indicates it is a stem vampyropod. C) Palaeoctopus newboldi, Cretaceous, Lebanon. The first soft-tissue octopus fossil ever described in 1896. The paired fins can be observed - currently it is the oldest known cirrate. A fish is preserved overlying the octopus.

https://www.livescience.com/cephalopods
Cephalopods are members of a class of marine animals that includes octopuses, squid, cuttlefish and nautiluses. The group includes more than 800 species (and new species are still being found

https://www.sciencealert.com/this-unassuming-squid-just-became-the-deepest-swimming-squid-ever-recorded
Above: A bigfin squid that study co-author Alan Jamieson observed more than 16,000 feet underwater in 2014. Jamieson and his colleagues found the same species swimming thousands of feet deeper in 2021. Researchers detected the bigfin in March 2021, while hunting for the wreck site of the USS Johnston - a US Navy destroyer that sank in 1944

https://gizmodo.com/deep-sea-squid-protects-giant-eggs-sacrifice-1851547054
The mama squid likely belongs to a previously unknown species of cephalopod, the researchers have determined. ... "The deep sea is the largest living space on Earth and there is a lot left to be

https://en.wikipedia.org/wiki/Giant_squid
The giant squid (Architeuthis dux) is a species of deep-ocean dwelling squid in the family Architeuthidae.It can grow to a tremendous size, offering an example of abyssal gigantism: recent estimates put the maximum size at around 12-13 m (39-43 ft) for females and 10 m (33 ft) for males, from the posterior fins to the tip of the two long tentacles (longer than the colossal squid at an