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Sailfin roughshark
The sailfin roughshark (''Oxynotus paradoxus'') is a species of dogfish shark in the family Oxynotidae, found in the eastern North Atlantic from Scotland to Senegal between latitudes 41°N and 11°N, at depths of between . Its length is up to .
Its reproduction is ovoviviparous.
''O. paradoxus'' is thought to be a slow-moving predator of small benthic animal. The sailfin roughsharks is found near the Eastern Atlantic ocean at those depths. However, it has been reported to be found on the shores of Morocco, recently reported in the Mid-Atlantic Ridge, and in the Azores water. This species is an uncommon bycatch of bottom trawls, though there is insufficient information for the International Union for Conservation of Nature (IUCN) to assess its conservation status.〔"Oxynotus paradoxus." (Sailfin Roughshark). N.p., n.d. Web. 30 November 2013. .〕
== Taxonomy ==
French biologist F. Frade founded this species of ''Oxynotus paradoxus''. This name was later finalized and accepted by the scientific community as the official name for the species. Frade published his findings of this specimen in 1929 in the scientific journal Boletim da Sociedade Portuguesa de Ciências Naturais.〔FRAde F., 1929. “Une nouvelle espèce ou une aberration individuelle de l’Oxynotus centrina” (Linn.). Bull. Soc. Port. Sci. Nat., 10(22): 263-267.〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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