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The hooked squid, family Onychoteuthidae, currently comprise approximately 20–25 species (several known from only single life stages and thus unconfirmed), in six or seven genera. They range in mature mantle length from 7 cm to a suggested length of 2 m for the largest member, ''Onykia robusta''. The family is characterised by the presence of hooks only on the tentacular clubs, a simple, straight, funnel–mantle locking apparatus, and a 'step' inside the jaw angle of the lower beak. With the exception of the Arctic Ocean, the family is found worldwide. ==Species== *Genus ''Onychoteuthis'' Lichtenstein, 1818 * *''Onychoteuthis banksii'' (Leach, 1817) – common clubhook squid * *''Onychoteuthis bergii'' * Lichtenstein, 1818 * *''Onychoteuthis mollis'' * Appelloef, 1891 * *''Onychoteuthis compacta'' Berry, 1913 * *''Onychoteuthis borealijaponica'' Okada, 1927 – boreal clubhook squid * *''Onychoteuthis meridiopacifica'' Rancurel & Okutani, 1990 * *''Onychoteuthis lacrima'' Bolstad & Seki ''in'' Bolstad, 2008 * *''Onychoteuthis prolata'' Bolstad, Vecchione & Young ''in'' Bolstad, 2008 * *''Onychoteuthis horstkottei'' Bolstad, 2010 *Genus ''Onykia'' Lesueur, 1821 (includes most species previously placed in ''Moroteuthis'') * *Subgenus ''Onykia'' * * *''Onykia carriboea'' Lesueur, 1821 – tropical clubhook squid * * *''Onykia robusta'' (Verrill, 1876) – robust clubhook squid * * *''Onykia loennbergii'' (Ishikawa & Wakiya, 1914) – Japanese hooked squid * * *''Onykia aequatorialis'' * Thiele, 1920 * * *''Onykia robsoni'' (Adam, 1962) – rugose hooked squid * * *''Onykia indica'' * Okutani, 1981 * *Subgenus ''Moroteuthopsis'' * * *''Onykia ingens'' (Smith, 1881) – greater hooked squid * *''incertae sedis'' * * *?''Onykia appelloefi'' * Pfeffer, 1900 *Genus ''Ancistroteuthis'' Gray, 1849 * *''Ancistroteuthis lichtensteinii'' (Ferussac, 1835) – angel clubhook squid or angel squid *Genus ''Kondakovia'' Filippova, 1972 * *''Kondakovia longimana'' Filippova, 1972 * *''Kondakovia nigmatullini'' Laptikhovsky, Arkhipkin & Bolstad, 2008 *Genus ''Notonykia'' Nesis, Roeleveld & Nikitina, 1998 * *''Notonykia africanae'' Nesis, Roeleveld & Nikitina, 1998 * *''Notonykia nesisi'' Bolstad, 2007 *Genus ''Filippovia'' Bolstad, 2010 * *''Filippovia knipovitchi'' (Filippova, 1972) – smooth hooked squid *Genus ''Callimachus'' Bolstad, 2010 * *''Callimachus rancureli'' (Okutani, 1981) * *''Callimachus youngorum'' Bolstad, 2010 ( *) indicates taxa requiring further taxonomic investigation 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Hooked squid」の詳細全文を読む スポンサード リンク
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