Description:-

Female: Carapace subcircular, slightly wider than long, width to length ratio 1.10–1.18; dorsal surface mostly smooth, glabrous, lateral regions with scattered short setae; front projecting anteriorly beyond orbits, entire, margin slightly convex to almost straight. Eyes small, barely visible in dorsal view; mobile, completely filling orbit. MXP3 outer surface with scattered short setae; propodus about 2 times as long as high, distinctly conical, subequal or shorter than carpus; dactylus subspatuliform, elongate, inserted just before base of propodus, tip reaching well beyond propodal apex. Chela short, dactylus ca. half palm length; palm slender, mesioventral margin distinctly setose; outer surfaces of palm, fingers (except for distal part) with numerous short setae; dactylus occlusal margin with large submedian tooth. Abdomen extending to buccal region, covering bases of ambulatory legs; telson distinctly recessed into distal margin of somite 6. Male: Carapace circular, slightly wider than long, width to length ratio 1.02–1.07; dorsal surface covered with numerous short setae, appears pubescent; front distinctly projecting anteriorly, margin slightly sinuous, entire. Eyes distinctly visible in dorsal view. The name is derived from the old Sanskrit name for the Indian Ocean, Ratnakara.

Threats:-

Not recorded

Remark:-

Ng and Bijukumar (2015) recorded this species from the brown mussel Perna perna, collected from Kovalam, Kerala coast.

Habitat:-

Commensal in brown mussel Perna perna

Synonyms:-

References:-

Ng, P.K.L. and A. Biju Kumar (2015). A new species of Afropinnotheres Manning, 1993 (Crustacea, Brachyura, Pinnotheridae) from southwestern India, the first record of the genus from the Indian Ocean, with a review of the Pinnotheridae of India and adjacent seas. Zootaxa, 3947 (2): 264–274.