Cephalopod size - Factbites

Cephalopod size - Factbites
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Topic: Cephalopod size

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	Kodos, Kang, & Cephalopod Evolution Unscrewing The Inscrutable
		Given the incredible repertoire of cephalopod skills and the size of octopi brains, I'd say we vertebrates are pretty lucky it's not the other way around.
		We vertebrates vaulted past the cephalopods, first in intellect and then technology, and now humans stare in morbid fascination at squid and octopi in the large tanks of seafood restaurants, before dining on their cousins.
		Cephalopod blood is composed of hemocyanin (based on copper instead of iron), which has a much lower ability to carry oxygen and thus supply oxygen hungry brains!
	brentrasmussen.com /log/node/132 (3261 words)

	CBBC Newsround ANIMALS Colossal squid with 'parrot's beak' caught
		A colossal squid with eyes the size of dinner plates and teeth like a parrot's has been caught off the coast of Antarctica near New Zealand.
		Since this one was only a teenager in squid terms, comparisons between body size are hard.
		The colossal cephalopod- the official name for squid - is lethal too.
	news.bbc.co.uk /cbbcnews/hi/animals/newsid_2915000/2915281.stm (255 words)

	Octopus - Wikipedia, the free encyclopedia
		By selecting a well-known species, such as the California Two-spot Octopus, one can choose a small octopus (around the size of a tennis ball) and be confident that it is young with a full life ahead of it.
		The octopus is a cephalopod of the order Octopoda that inhabits many diverse regions of the ocean, especially coral reefs.
		In the larger sense, there are 289 different octopus species, which is over one-third the total number of cephalopod species.
	www.wikipedia.org /wiki/Octopus (255 words)

	CBBC Newsround ANIMALS Colossal squid with 'parrot's beak' caught
		A colossal squid with eyes the size of dinner plates and teeth like a parrot's has been caught off the coast of Antarctica near New Zealand.
		The colossal cephalopod- the official name for squid - is lethal too.
		Since this one was only a teenager in squid terms, comparisons between body size are hard.
	news.bbc.co.uk /cbbcnews/hi/animals/newsid_2915000/2915281.stm (255 words)

	Octopus - Wikipedia, the free encyclopedia
		By selecting a well-known species, such as the California Two-spot Octopus, one can choose a small octopus (around the size of a tennis ball) and be confident that it is young with a full life ahead of it.
		The octopus is a cephalopod of the order Octopoda that inhabits many diverse regions of the ocean, especially coral reefs.
		In the larger sense, there are 289 different octopus species, which is over one-third the total number of cephalopod species.
	en.wikipedia.org /wiki/Octopus (1594 words)

	Octopus - Wikipedia, the free encyclopedia
		By selecting a well-known species, such as the California Two-spot Octopus, one can choose a small octopus (around the size of a tennis ball) and be confident that it is young with a full life ahead of it.
		In the larger sense, there are 289 different octopus species, which is over one-third the total number of cephalopod species.
		Octopus arms show a wide variety of complex reflex actions arising on at least three different levels of the nervous system.
	en.wikipedia.org /wiki/Octopus (1594 words)

	Psychroteuthis glacialis
		Beak length analysis of the Southern Ocean squid Psychroteuthis glacialis (Cephalopoda: Psychroteuthidae) and its use for size and biomass estimation.
		Studies in the Weddell Sea found that "this is the most abundant muscular squid in the Weddell Sea and the only pelagic cephalopod which occurs in considerable numbers in the Antarctic Sea Ice Zone" (Piatkowski and Steimer, in manuscript).
		Little is known about the ecology of this squid in spite of its importance in the Antarctic ecosystem.
	tolweb.org /tree?group=Psychroteuthis_glacialis (1594 words)

	WhaleTimes:Fishin' for Facts-Giant Squid
		The average size of the giant squid is 6 to 13 meters (19.7 to 42.7 feet) That is total length.
		Giant squid are the largest cephalopod (octopus, cuttlefish, squid) and the largest mollusk.
		Squid in the genus Architeuthi are found in: northern Atlantic, from Labrador to the Gulf of Mexico; northern Norway to the Azores; northern Pacific from the Bering Sea to the Sea of Japan: southern Japan, Hawaii and California.
	www.whaletimes.org /squid.htm (222 words)

	Yale Bulletin and Calendar
		Interactive components allow visitors to compare their own size to that of a giant squid and to experience the animal's presumed environment.
		The exhibition compares giant squid ( Architeuthis dux) with other squids and mollusks and explores what is known about how they hunt, move and defend themselves, based on the research of cephalopod biologists such as Dr. Clyde Roper of the National Museum of Natural History.
		Among the latter are a vampire squid, giant octopus, and parts of giant squid, including tentacular arms, suckers and a complete beak (jaws).
	www.yale.edu /opa/v33.n3/story3.html (222 words)

	Allrecipes Cook's Encyclopedia squid
		[ SKWIHD ] As a ten-armed member of the CEPHALOPOD class in the MOLLUSK family, squid is related to both the OCTOPUS and CUTTLEFISH.
		Also called calamari, squid can range in size from 1 inch to the seldom seen 80-foot behemoth of the deep.
		Squid is used raw by the Japanese in SUSHI dishes.
	allrecipes.com /advice/ref/ency/terms/8686.asp (224 words)

	Delaware Geological Survey
		Belemnite is the common name applied to an extinct order (Belemnoida) of mollusks belonging to the cephalopod class.
		Sometimes, almost complete belemnite guards can be found, similar in size and shape to a pencil, pointed at one end, but flaring at the other end (if preserved) and partly hollow in the center where the chambered shell was located.
		Modern cephalopods include the squid, octopus, and pearly Nautilus.
	www.udel.edu /dgs/Education/stfossil.html (393 words)

	Bactrites Orthocone Nautiloid Cephalopod
		Here is an orthocone nautiloid cephalopd, genus Bactrites from the Upper Mississippian Chainman Shale, collected in the vicinity of Cerro Gordo ghost town; actual size of specimen is roughly 18mm long.
	members.aol.com /Waucoba7/im/bactrites.html (31 words)

	Nautilus - Wikipedia, the free encyclopedia
		The other cephalopod subclass, Coleoidea, diverged from the Nautilidae a long time ago and the nautilus has remained relatively unchanged since.
		Certain species reached over 2.5 meters in size.
		Nautilus is also the name of one of the two genera in the Nautilidae family.
	en.wikipedia.org /wiki/Nautilus (658 words)

	BLACK-CAPPED PETREL Pterodroma hasitata
		Little is known about the feeding requirements of the species: the stomach of one specimen taken contained remains of cephalopod beaks and lenses, larger in size than those found for the Cahow (Wingate 1964a).
		It remains a mystery whether the "black" petrels reported by Labat were (a) the Jamaica Petrels nesting sympatrically with the Black-capped Petrel, (b) a dark morph of the latter (see below) or (c) simply a mistake in description.
		This was tentatively attributed to (a morph of) the Black-capped Petrel by Bent (1922) and Murphy (1936), although they both suggested it might refer to the Jamaica Petrel (Bent 1922; see Distribution under Jamaica Petrel).
	www.irf.org /bhasitat.htm (658 words)

	Ichthyosaur - Wikipedia, the free encyclopedia
		Ichthyosaurs ranged so widely in size, and survived for so long, that they are likely to have had a wide range of prey.
		For their food, many of the fish-shaped ichthyosaurs relied heavily on ancient cephalopod kin of squids called belemnites.
		It seems that the ichthyosaurs became the victim of their own overspecialisation, and were unable to keep up with the fast swimming and highly evasive new teleost fishes that were becoming dominant at this time, and against which the sit and wait ambush strategies of the mosasaurs proved superior (Lingham-Soliar 1999).
	en.wikipedia.org /wiki/Ichthyosaur (1520 words)

	Ammas.com's Ask Agent -- The Search Engine for Intelligent Life
		Ichthyosaurs ranged so widely in size, and survived so long, they are likely to have had a wide range of prey.
		For their food, many of the fish-shaped ichthyosaurs relied heavily on ancient cephalopod kin of squids called belemnites.
		Ichthyosaurs were alive at the same time as dinosaurs but are reptiles not dinosaurs.Though they evolved earlier they were at thier height in the Jurassic period.
	askagent.ammas.com /topics/Animals_and_Pets/a92237.html (2459 words)

	Editions - Arquipelago - 14A-5
		No difference was found in diet according to the size or between male and female Prionace glauca.
		A number of rarely caught species of cephalopod are important in the diet.
		Stomach contents of 195 Prionace glauca caught off the Azores from October 1993 to July 1994 were studied.
	www.horta.uac.pt /editions/14A_5.html (2459 words)

	Fossil Cephalopods
		Hatching size of the Mesozoic and Tertiary nautiloids is broadly similar to the living species.
		The basic fact is that no ammonites are known beyond the end of the Cretaceous, while the other cephalopod groups, the coleoids and nautiloids, survive to the present day.
		Fossil spirulids are known from the Pleistocene of the Canary Islands, the Pliocene of New Zealand, and the Miocene of Japan.
	www.nhm.ac.uk /hosted_sites/tcp/FosCephs.html (2459 words)

	20000 leagues under the sea - The Legend of the Giant Octopus
		Though this octopus is quite large, it does not reach Olaus Magnus' octopus's size.
		Jules Verne describes, that Olaus Magnus had written about a cephalopod one mile in length.
		Olaus Magnus in the 17th century was archbishop of Uppsala in Sweden and collected lots of stories from the nordic fishermen.
	www.weichtiere.at /Mollusks/Kopffuesser/krake.html (813 words)

	Octopus - Wikipedia, the free encyclopedia
		By selecting a well-known species, such as the California Two-spot Octopus, one can choose a small octopus (around the size of a tennis ball) and be confident that it is young with a full life ahead of it.
		In the larger sense, there are 289 different octopus species, which is over one-third the total number of cephalopod species.
		Octopus arms show a wide variety of complex reflex actions arising on at least three different levels of the nervous system.
	en.wikipedia.org /wiki/Octopus (1762 words)

	UCL Museums and Collections - Grant Museum of Zoology
		For example, Sir Edwin Ray Lankester did much to improve the collection of Cephalopod material in the 1870s, and his Limmulus specimens are still in the collection today.
		As the collection grew in size the issue of space became increasingly important.
	www.grant.museum.ucl.ac.uk (1762 words)

	Fossil Collections, Specimens, Amber, Triops and more.
		Included are a trilobite, foraminifera, horn coral, bryozoans, oyster, sea urchin, gastropod, brachiopod, crinoid stem, cephalopod, fern imprint and petrified wood.Also includes a identification key and a poster.
		Ammonite - Size range is 0.5" more or less.
		Horn Coral are widespread in North America and were very common in the Mississippian period.
	www.rocksandminerals.com /fossil/fossil.htm (1762 words)

	Octopus - Wikipedia, the free encyclopedia
		By selecting a well-known species, such as the California Two-spot Octopus, one can choose a small octopus (around the size of a tennis ball) and be confident that it is young with a full life ahead of it.
		The octopus is a cephalopod of the order Octopoda that inhabits many diverse regions of the ocean, especially coral reefs.
		The tension receptors are not sufficient for the octopus brain to determine the position of the octopus's body or arms.
	en.wikipedia.org /wiki/Octopus (1737 words)

	Gill Physiology
		Gnathophausia ingens, a crustacean that lives bathypelagic oxygen minimum zones, has a gill surface area to body size ratio atypically large for a crustacean (9-14 cm2 per gram wet body weight).
		Vampyromorphs, vampire squid, are some of the deepest ranging cephalopod species.
		Methanoaricia dendrobranchiata can also physically extend its gills to increase surface area when exposed to reduced oxygen conditions (6).
	www.bio.davidson.edu /biology/midorcas/animalphysiology/websites/2004/Budischak/Gills.htm (1737 words)

	King of the cross-dressers
		Preservation tactics - especially regarding the size and location of a marine reserve to protect the cuttlefish - will be based on whether or not the populations are genetically and ecologically isolated.
		Although the ornate blue cephalopod is not presently endangered, Gillanders says, it is "highly susceptible to over fishing, because most individuals only live for one year.
		Cuttlefish are relatives of the squid and octopus that live along Australia's southern coast.
	whyfiles.org /shorties/156cuttlefish (1737 words)

	Loligo
		Linnaeus established Sepia loligo in 1758 to encompass all cephalopods with a cylindrical body and fins (Hoyle, 1910:410).
		Suckers of reduced size and sucker stalks elongated to form papillae in either dorsal or both dorsal and ventral series.
		pealeii) is among the best known of any cephalopod, considerable controversy remains about their taxonomy and systematic relationships.
	tolweb.org /tree?group=Loligo&contgroup=Loliginidae (1737 words)

	Chromatophore - TheBestLinks.com - Cell (biology), Octopus, Squid, Cephalopod, ...
		Chromatophores or pigment cells are color changing cells used most notably by Cephalopods such as squid and octopuses.
		Chromatophore - TheBestLinks.com - Cell (biology), Octopus, Squid, Cephalopod,...
		To change their color the cells distort their form or size stretching or contracting their outer covering thus changing its translucency or opacity.
	www.thebestlinks.com /Chromatophore.html (149 words)

	Reprints for the DBMR
		J-17 HIXON, R.F., R.T. HANLON and W.H. Growth and maximal size of the long-finned squid Loligo pealei in the northwestern Gulf of Mexico.
		J-16 HENDRIX, JR., J.P., W.H. HULET and M.J. Salinity tolerance and the responses to hypoosmotic stress of the bay squid Lolliguncula brevis, a euryhaline cephalopod mollusc.
		B-5 HIXON, R.F. Growth, reproductive biology, distribution and abundance of three species of loliginid squid (Myopsida, Cephalopoda) in the Northwest Gulf of Mexico.
	www.nrcc.utmb.edu /REPRIN~2.HTM (149 words)

	Whale Songs * Cetacean Information * Pantropical Spotted Dolphin
		Stomach contents of recorded dolphins include a large number of small epipelagic and mesopelagic fish and cephalopod species, nemerten worms and crab larvae
		Spots increase in size and number with age
		Overlaps with the Atlantic Spotted Dolphin, mainly in the western North Atlantic, where it occurs offshore
	www.whalesongs.org /cetacean/pantrop_spot_dolphin/home.html (280 words)

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