blue swimming crab; flower crab; blue manna crab
Refers to the species Portunus pelagicus, a common edible crab in East Asian waters. The katakana form is standard in Japanese.
The blue swimming crab is a type of swimming crab and is popular as food.
ワタリガニ is a broader term for swimming crabs (family Portunidae), while タイワンガザミ specifically refers to Portunus pelagicus.
Standard katakana spelling for this species name; usually written in kana.
Kanji spelling is rare and may not be widely recognized; the katakana form is standard.
The name タイワンガザミ literally means 'Taiwan crab', likely referring to the region where it is commonly found. The exact derivation is uncertain.