noun
diamond squid; diamondback squid; rhomboid squid
A species of squid (Thysanoteuthis rhombus) known for its diamond-shaped body. Common in Japanese cuisine, often served as sashimi or sushi.
ソデイカは刺身にすると甘みがあって美味しい。
Diamond squid is sweet and delicious when made into sashimi.
市場で新鮮なソデイカを買った。
I bought fresh diamond squid at the market.
The name ソデイカ (袖烏賊) literally means 'sleeve squid', likely from the shape of its fins resembling sleeves. The exact origin is uncertain.