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Pyroteuthidae (the fire squids) is a family of squids. The family comprises two genera. Species are diurnally mesopelagic, migrating into surface waters during the night. The family is characterised by the tentacles, which have a permanent constriction and bend near the base; and photophores occurring on the tentacles, eyeballs, and viscera. Members reach mantle lengths of 23-50 mm. Paralavae of the family are common around the Hawaiian Islands, with up to 17% of collected specimens in the area belonging to Pyroteuthidae. 〔John R. Bower, Michael P. Seki, Richard E. Young, Keith A. Bigelow, Jed Hirota, Pierre Flament. (Cephalopod paralarvae assemblages in Hawaiian Islands waters ), 14 November 2008.〕 ==Species== *Genus ''Pterygioteuthis'' * *''Pterygioteuthis gemmata'' * *''Pterygioteuthis giardi'' * * *''P. g. giardi'', roundear enope squid * * *''P. g. hoylei'' * *''Pterygioteuthis microlampas'' *Genus ''Pyroteuthis'' * *''Pyroteuthis addolux'' * *''Pyroteuthis margaritifera'', jewel enope squid * *''Pyroteuthis serrata'' 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「Pyroteuthidae」の詳細全文を読む スポンサード リンク
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