Giant squid (Daiouika) - Giant squid (English spelling)

Japanese: ダイオウイカ(大王烏賊) - ダイオウイカ（英語表記）giant squid

A gigantic squid (illustration) of the family Colossal Squididae in the class Cephalopoda, with a mantle length of 1.2m. It is said to live in the mid-level waters near Japan, but is rarely caught in fishing nets. It is often found washed up dead on the Pacific coast or the Sea of Japan coast, and is often found in the stomachs of sperm whales. The muscles of its body are flexible and loose, and its fins are oval. Its arms have two rows of suckers, and its tentacles are very slender and can reach 6.5m, but the palms are narrow. The family Colossal Squid is the largest squid in the world, and about 10 species are known from around the world, but because it is so large, there are few opportunities to study its entire body, and its classification has not been established.

Source: Heibonsha World Encyclopedia, 2nd Edition Information

Japanese:

頭足綱ダイオウイカ科の外套（がいとう）長1.2mになる巨大なイカ（イラスト）。日本近海の中層にすむらしいが漁網にはめったにかからず，太平洋岸や日本海側にもたびたび死後漂着したり，マッコウクジラの胃中からよく発見される。体の筋肉は柔軟で緩く，ひれは楕円形。腕は吸盤が2列，触腕は非常に細長く6.5mにも達するが，掌部は狭い。　ダイオウイカ科は世界最大のイカ類で，世界各地から約10種が知られているが，あまり巨大なため全身研究される機会が少なく分類が確立していない。

出典　株式会社平凡社世界大百科事典第２版について　情報

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