イワガニが出現した場所
イワガニの出現時期（過去1年間）
イワガニの分類情報
分類
- Arthropoda (Phylum)
- Crustacea (Subphylum)
- Multicrustacea (Superclass)
- Malacostraca (Class)
- Eumalacostraca (Subclass)
- Eucarida (Superorder)
- Decapoda (Order)
- Pleocyemata (Suborder)
- Brachyura (Infraorder)
- Eubrachyura (Section)
- Thoracotremata (Subsection)
- Grapsoidea (Superfamily)
- Grapsidae (Family)
- Grapsinae (Subfamily)
- Pachygrapsus (Genus)
シノニム
- Grapsus eydouxi H. Milne Edwards, 1853
- Leptograpsus gonagrus H. Milne Edwards, 1853
