スミイカ

ス

ミ

イ

カ

Meanings

usually written using kana alone

Refers specifically to Sepia esculenta, a species of cuttlefish. In everyday contexts, スミイカ may be used loosely for similar cuttlefish.

Refers specifically to Sepiella japonica. Less commonly encountered than the golden cuttlefish in culinary contexts.

イカ
イカ is the general term for squid and cuttlefish, while スミイカ refers to specific cuttlefish species.
コウイカ
コウイカ is another common cuttlefish species (Sepia officinalis), often distinguished from スミイカ in culinary and biological contexts.

スミイカUsage100%
kana-only spelling
Usually written in katakana; usually written in kana.
すみいか
Hiragana spelling is also used, though katakana is more common for this organism.
墨すみ烏賊いか
Kanji spelling is rare; the word is usually written in kana.

Compound of 墨 (sumi, 'ink') and 烏賊 (ika, 'squid/cuttlefish'), referring to the cuttlefish's ink. The exact historical derivation is uncertain.