Description (from Crabs of Japan - K Sakai. In Marine Spp identification portal ) ⁴

Side of carapace with one or two antero-lateral teeth (second usually reduced to an angular projection). Dactyl of cheliped armed with small, sharp, chitinous spinules, evenly spaced in a single row, and extending only to about half length of dactyl; vertical granular row on inside of chela strongly developed. Male chela c. 1.7 times longer than high; lower margin evenly convex. (Davie 1996).

from - http://species-identification.org/species.php?species_group=crabs_of_japan&id=1727

Sources and Credits

1. (c) Annette Gerber, some rights reserved (CC BY-NC), uploaded by Annette Gerber
2. (c) Ricky Taylor, some rights reserved (CC BY-NC), uploaded by Ricky Taylor
3. (c) Federicofuentes, some rights reserved (CC BY-SA), http://commons.wikimedia.org/wiki/File:(Neosarmatium_meinerti)_-_NHM_London.jpg
4. (c) Ricky Taylor, some rights reserved (CC BY-SA)

More Info

• iNat taxon page
• Animal Diversity Web
• Biodiversity Heritage Library
• BOLD Systems BIN search
• Global Biodiversity Information Facility (GBIF)
• SeaLifeBase
• World Register of Marine Species

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