Charybdis (Goniosoma) annulata   (Fabricius)  (Crab)
Organism information awaits expert curation
Class: Malacostraca

Size: Length of carapace 39 mm; breadth of carapace 56 mm; diameter of orbit 7 mm; inter-orbital space 20 mm

Color: Flesh-colored or purple with creamy blotches, with a light greenish tinge. Legs and chelipeds with circular purple and creamy bands, fingers deep red, grey, and black with brownish white tips. Other specimens have a uniform sandy brown color

The upper borders of the merus, carpus, propodus, and dactylus, and the lower borders of the propodus and dactylus of the legs are fringed with hairs.
The posterior border of the propodites of the last pair of legs is serrated in a large part of its extent.
The sixth male abdominal segment is nearly as long as broad and has its sides parallel for about three-fourth of their extent.
The anterior male abdominal appendages are somewhat sharply bent near the tip. The inner margin has a small lobe-like process a little behind the tip

Synonym (s)
Charybdis (Goniosoma) annulata Alcock 1899
Charybdis annulata Sakai 1939

Common Name (s)
Economic Importance and Threats



• Maharashtra, Mumbai INDIA
• Andhra Pradesh, Bimlipatam INDIA
• Karachi PAKISTAN
• Mergui MYANMAR

Literature Source(s)
  • Chhapgar, BF (1957) Marine crabs of Bombay state Contribution No. 1 of the Taraporevala Marine Biological Station Marine Biological Station, Department of fisheries, Bombay 89 pp Available at - NIO, Goa
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at -

Page last updated on:15-04-09

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