noun
spear squid
Refers to the squid species Loligo bleekeri. Used in biological and culinary contexts.
See also: ヤリイカ
サヤナガはヤリイカの一種で、食用としても人気がある。
The spear squid is a type of squid and is also popular as food.
ヤリイカ is a broader term for spear squid species; サヤナガ specifically refers to Loligo bleekeri.
The name likely derives from 鞘 (さや, sheath) and 長 (なが, long), referring to the squid's elongated body shape, but the exact origin is uncertain.