floral egg crab; shawl crab; brown egg crab
A species of poisonous crab (Atergatis floridus) found in rocky shores of the Indo-Pacific. Its smooth, rounded carapace resembles a steamed bun, hence the Japanese name. The crab contains tetrodotoxin and is not edible.
The floral egg crab is poisonous, so you must never eat it.
I found a floral egg crab on the rocky shore.
Standard katakana spelling for this species name.
Kanji spelling is rare; the word is usually written in kana. The kanji 滑々 (smooth) and 饅頭 (steamed bun) plus 蟹 (crab) describe the crab's appearance.
The Japanese name literally means 'smooth steamed-bun crab', from すべすべ (smooth) + まんじゅう (steamed bun) + がに (crab), referring to its smooth, rounded shape.