Squid (Ika) - squid (English spelling)

Japanese: イカ（烏賊） - いか（英語表記）squid

A general term for the living Sepioidea and Teuthoidea (collectively Decembrachiata) orders of the phylum Mollusca and class Cephalopoda. In English, short-bodied cuttlefish, such as cuttlefish, are called cuttlefish, while long, slender ones, such as spear squids and Pacific flying squids, are called squids. It is estimated that there are approximately 400-500 species in the oceans of the world, and 90-100 species in the Northwest Pacific Ocean, including Japan. The largest are the giant squids, which can reach a mantle length of 6m, and the smallest are the pygmy squids, which have a mantle length of about 1.6cm.

Source: Heibonsha World Encyclopedia, 2nd Edition Information

Japanese:

軟体動物門頭足綱のうち，現生ではコウイカ目Sepioidea，ツツイカ目Teuthoidea(あわせて十腕形類Decembrachiata)を総称。英名ではコウイカ類のように体の短いものをcuttlefish，ヤリイカ，スルメイカのように体の細長いものをsquidという。全世界の海におよそ400～500種，日本を含む北西太平洋に90～100種すむと推定される。最大のものはダイオウイカ類で外套（がいとう）長6mに達し，最小のものはヒメイカ類で外套長は1.6cm程度である。

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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