Octopoteuthidae
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Octopoteuthidae
The Octopoteuthidae are a family of squid comprising two genera. The family is characterized by tentacles which cease to grow after the paralarval stage, and the use of a penis, instead of a hectocotylus A hectocotylus (plural: ''hectocotyli'') is one of the arms of male cephalopods that is specialized to store and transfer spermatophores to the female. Structurally, hectocotyli are muscular hydrostats. Depending on the species, the male may use i .... Species *Genus '' Octopoteuthis'' **'' Octopoteuthis danae'' **'' Octopoteuthis deletron'' **'' Octopoteuthis indica'' * **'' Octopoteuthis longiptera'' **'' Octopoteuthis megaptera'' **'' Octopoteuthis nielseni'' **'' Octopoteuthis rugosa'' **'' Octopoteuthis sicula'', Ruppell's octopus squid *Genus '' Taningia'' **'' Taningia danae'', Dana octopus squid **'' Taningia persica'' * The species listed above with an asterisk (*) are questionable and need further study to determine if they are a valid species or a synonym. Referen ...
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Taningia Danae
''Taningia danae'', the Dana octopus squid, is a species of squid in the family Octopoteuthidae. It is one of the largest known squid species, reaching a mantle length of and total length of . The largest known specimen, a mature female, weighed .Roper, C.F.E. & P. Jereb 2010. Family Octopoteuthidae. In: P. Jereb & C.F.E. Roper (eds.) Cephalopods of the world. An annotated and illustrated catalogue of species known to date. Volume 2. Myopsid and Oegopsid Squids'. FAO Species Catalogue for Fishery Purposes No. 4, Vol. 2. FAO, Rome. pp. 262–268. ''Taningia danae'' is named after Danish fisheries biologist Åge Vedel Tåning (1890–1958), who often traveled on the research vessel '' Dana''. Ecology ''Taningia danae'' possesses bioluminescence, like other octopoteuthids. Its photophores are some of the largest such organs known to science, the organs being compared in size to fists or lemons. They possess a black membrane over the photophore that may conceal the organs, a ...
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Taningia
''Taningia'' is a genus of squid in the family Octopoteuthidae. For over 150 years, it has been believed to comprise a single species known as ''Taningia danae.'' Recently it has been shown to contain at least two new species ('' T. fimbria'', ''T. rubea''). Another species, '' Taningia persica'', has historically been referred to but has been questioned. This genus is named after Danish fisheries biologist Åge Vedel Tåning Åge Vedel Tåning (27 July 1890 – 26 September 1958 in Copenhagen) was a Danish ichthyologist. He was a director of the Carlsberg Laboratory, the Dana collection and the Danish Fisheries Research Station. Lanternfish genus ''Taaningichthys'' wa ... (1890-1958). References External links Tree of Life web project: ''Taningia'' Squid Cephalopod genera Bioluminescent molluscs {{Squid-stub ...
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Octopoteuthis Danae
''Octopoteuthis danae'' is a little known species of small squid in the genus '' Octopoteuthis'' of the family Octopoteuthidae. They belong to the pelagic squid order Oegopsida. It is found in the Atlantic Ocean. It is distinguished from the other known similar Atlantic species, '' Octopoteuthis megaptera'', by having a shorter tail which has two photophores. Its specific name honours James Dwight Dana (1813–1895) the American mineralogist and geologist A geologist is a scientist who studies the solid, liquid, and gaseous matter that constitutes Earth and other terrestrial planets, as well as the processes that shape them. Geologists usually study geology, earth science, or geophysics, althou ... who was a member of the U.S. Exploring Expedition in the Pacific of 1838–42 under Charles Wilkes. This expedition discovered that Antarctica was a continent and named it. References Squid Molluscs of the Atlantic Ocean Molluscs described in 1931 {{Squid-stub ...
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Taningia Persica
''Taningia persica'' is a species of squid in the family Octopoteuthidae. Its validity has been questioned. The description of ''Taningia persica'' is based on a paralarva of ''Taningia'' (4.7 mm ML) from the Gulf of Aden, presumably ''Taningia danae ''Taningia danae'', the Dana octopus squid, is a species of squid in the family Octopoteuthidae. It is one of the largest known squid species, reaching a mantle length of and total length of . The largest known specimen, a mature female, weig ...''. Image:Taningia persica2.jpg, Oral view of the holotype (4.7 mm ML) External links Squid Gulf of Aden Marine molluscs of Africa Marine molluscs of Asia Molluscs described in 1923 Taxa named by Adolf Naef {{Squid-stub ...
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Octopoteuthis Sicula
''Octopoteuthis'' is a genus of squid. It is one of two genera in the family Octopoteuthidae, the other being ''Taningia''. Both ''Octopoteuthis'' and ''Taningia'' are characterized by their lack of tentacles for the majority of their life cycle, and have traits characteristic of both squids and octopods. The species limits of the genus are in need of further research, for example some authorities have stated that the Mediterranean species '' Octopoteuthis sicula'' is apparently the senior synonym of ''Octopoteuthis danae'' and that it is very closely related to, or possibly conspecific with, '' Octopoteuthis megaptera''. Species The following species are recognised by the World Register of Marine Species: *''Octopoteuthis danae'' Joubin, 1931 *''Octopoteuthis deletron'' Young, 1972 *'' Octopoteuthis indica'' Naef, 1923 *'' Octopoteuthis longiptera'' * Akimushkin, 1963 *'' Octopoteuthis megaptera'' ( Verrill, 1885) *'' Octopoteuthis nielseni'' Robson, 1948 *'' Octopoteuthis rug ...
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Octopoteuthis Rugosa
''Octopoteuthis'' is a genus of squid. It is one of two genera in the family Octopoteuthidae, the other being ''Taningia''. Both ''Octopoteuthis'' and ''Taningia'' are characterized by their lack of tentacles for the majority of their life cycle, and have traits characteristic of both squids and octopods. The species limits of the genus are in need of further research, for example some authorities have stated that the Mediterranean species ''Octopoteuthis sicula'' is apparently the senior synonym of ''Octopoteuthis danae'' and that it is very closely related to, or possibly conspecific with, '' Octopoteuthis megaptera''. Species The following species are recognised by the World Register of Marine Species: *''Octopoteuthis danae'' Joubin, 1931 *''Octopoteuthis deletron'' Young, 1972 *'' Octopoteuthis indica'' Naef, 1923 *'' Octopoteuthis longiptera'' * Akimushkin, 1963 *'' Octopoteuthis megaptera'' ( Verrill, 1885) *'' Octopoteuthis nielseni'' Robson, 1948 *'' Octopoteuthis rugo ...
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Octopoteuthis Nielseni
''Octopoteuthis'' is a genus of squid. It is one of two genera in the family Octopoteuthidae, the other being ''Taningia''. Both ''Octopoteuthis'' and ''Taningia'' are characterized by their lack of tentacles for the majority of their life cycle, and have traits characteristic of both squids and octopods. The species limits of the genus are in need of further research, for example some authorities have stated that the Mediterranean species ''Octopoteuthis sicula'' is apparently the senior synonym of ''Octopoteuthis danae'' and that it is very closely related to, or possibly conspecific with, '' Octopoteuthis megaptera''. Species The following species are recognised by the World Register of Marine Species: *''Octopoteuthis danae'' Joubin, 1931 *''Octopoteuthis deletron'' Young, 1972 *'' Octopoteuthis indica'' Naef, 1923 *'' Octopoteuthis longiptera'' * Akimushkin, 1963 *'' Octopoteuthis megaptera'' ( Verrill, 1885) *'' Octopoteuthis nielseni'' Robson, 1948 *''Octopoteuthis rugos ...
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Octopoteuthis Megaptera
''Octopoteuthis'' is a genus of squid. It is one of two genera in the family Octopoteuthidae, the other being ''Taningia''. Both ''Octopoteuthis'' and ''Taningia'' are characterized by their lack of tentacles for the majority of their life cycle, and have traits characteristic of both squids and octopods. The species limits of the genus are in need of further research, for example some authorities have stated that the Mediterranean species ''Octopoteuthis sicula'' is apparently the senior synonym of ''Octopoteuthis danae'' and that it is very closely related to, or possibly conspecific with, '' Octopoteuthis megaptera''. Species The following species are recognised by the World Register of Marine Species: *''Octopoteuthis danae'' Joubin, 1931 *''Octopoteuthis deletron'' Young, 1972 *'' Octopoteuthis indica'' Naef, 1923 *'' Octopoteuthis longiptera'' * Akimushkin, 1963 *'' Octopoteuthis megaptera'' ( Verrill, 1885) *''Octopoteuthis nielseni'' Robson, 1948 *''Octopoteuthis rugosa ...
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Octopoteuthis Longiptera
''Octopoteuthis'' is a genus of squid. It is one of two genera in the family Octopoteuthidae, the other being ''Taningia''. Both ''Octopoteuthis'' and ''Taningia'' are characterized by their lack of tentacles for the majority of their life cycle, and have traits characteristic of both squids and octopods. The species limits of the genus are in need of further research, for example some authorities have stated that the Mediterranean species ''Octopoteuthis sicula'' is apparently the senior synonym of ''Octopoteuthis danae'' and that it is very closely related to, or possibly conspecific with, ''Octopoteuthis megaptera''. Species The following species are recognised by the World Register of Marine Species: *''Octopoteuthis danae'' Joubin, 1931 *''Octopoteuthis deletron'' Young, 1972 *'' Octopoteuthis indica'' Naef, 1923 *'' Octopoteuthis longiptera'' * Akimushkin, 1963 *''Octopoteuthis megaptera'' ( Verrill, 1885) *''Octopoteuthis nielseni'' Robson, 1948 *''Octopoteuthis rugosa'' ...
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Octopoteuthis Indica
''Octopoteuthis'' is a genus of squid. It is one of two genera in the family Octopoteuthidae, the other being ''Taningia''. Both ''Octopoteuthis'' and ''Taningia'' are characterized by their lack of tentacles for the majority of their life cycle, and have traits characteristic of both squids and octopods. The species limits of the genus are in need of further research, for example some authorities have stated that the Mediterranean species ''Octopoteuthis sicula'' is apparently the senior synonym of ''Octopoteuthis danae'' and that it is very closely related to, or possibly conspecific with, ''Octopoteuthis megaptera''. Species The following species are recognised by the World Register of Marine Species: *''Octopoteuthis danae'' Joubin, 1931 *''Octopoteuthis deletron'' Young, 1972 *'' Octopoteuthis indica'' Naef, 1923 *''Octopoteuthis longiptera'' * Akimushkin, 1963 *''Octopoteuthis megaptera'' ( Verrill, 1885) *''Octopoteuthis nielseni'' Robson, 1948 *''Octopoteuthis rugosa'' ...
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Octopoteuthis Deletron
''Octopoteuthis deletron'' is a species of squid in the genus '' Octopoteuthis'' of the family Octopoteuthidae. They belong to the pelagic squids of order Oegopsida. Found at depths of in the Pacific Ocean, they have been known to grow to . ''O. deletron'' has been found to break off its arms as a defense strategy. The squid digs hooks in one of its arms into a predator and jets away, leaving the arm in the predator's skin. The male ''O. deletron'' has a penis, which is unusual among squids. Males find it difficult to detect the sex of other individuals they encounter in the dark depths, so they have adopted a strategy of attaching sperm packets to all individuals they meet. ''O. deletron'' are the most common species found in the stomachs of northern elephant seals sampled off the coast of California. It is an important prey item of the giant grenadier. It is also eaten by the enigmatic Perrin's beaked whale Perrin's beaked whale (''Mesoplodon perrini'') is part of the too ...
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Squid
True squid are molluscs with an elongated soft body, large eyes, eight arms, and two tentacles in the superorder Decapodiformes, though many other molluscs within the broader Neocoleoidea are also called squid despite not strictly fitting these criteria. Like all other cephalopods, squid have a distinct head, bilateral symmetry, and a mantle. They are mainly soft-bodied, like octopuses, but have a small internal skeleton in the form of a rod-like gladius (cephalopod), gladius or pen, made of chitin. Squid diverged from other cephalopods during the Jurassic and occupy a similar role to teleost fish as open water predators of similar size and behaviour. They play an important role in the open water food web. The two long tentacles are used to grab prey and the eight arms to hold and control it. The beak then cuts the food into suitable size chunks for swallowing. Squid are rapid swimmers, moving by Aquatic locomotion#Jet propulsion, jet propulsion, and largely locate their ...
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