sea squirt; ascidian
A marine animal that looks like a small sac attached to rocks; often eaten in Japan and Korea.
Sea squirts are marine creatures that attach themselves to rocks.
I ate fresh sea squirt as sashimi.
sea pineapple (Halocynthia roretzi)
Usually written in katakana; usually written in kana.
Rare kanji spelling; the characters mean 'sea' and 'sheath'.
Hiragana spelling; less common than katakana but still used.
Very rare kanji spelling; literally 'old sea mouse'.
The origin is uncertain; the word is native Japanese. The kanji forms are rare and likely ateji.