Thalamita sima H. Milne Edwards, 1834
Length: 3.5 cm
Locality: Tassha, Sado Is. Depth: 0.5 m
Environment: rocky shore
Date: Sep, 2021 Photographer: Akihito Omori
| Phylum | Arthropoda |
| Subphylum | Crustacea |
| Class | Malacostraca |
| Order | Decapoda |
| Infraorder | Brachyura |
| Family | Portunidae |
Closeup of carapace