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On Burrow Morphology of the Ghost Crab Ocypode ceratophthalmus (Decapoda;Brachyura: Ocypodidae) from Sandy Shore of Gujarat, India | Vachhrajani | International Journal of Marine Science

Research Article

On Burrow Morphology of the Ghost Crab Ocypode ceratophthalmus (Decapoda;Brachyura: Ocypodidae) from Sandy Shore of Gujarat, India  

K. D. Vachhrajani , J. N. Trivedi
Marine Biodiversity and Ecology Lab¸ Department of Zoology¸Faculty of Science¸ The M. S. University of Baroda¸ Vadodara¸ Gujarat¸India
Author    Correspondence author
International Journal of Marine Science, 2016, Vol. 6, No. 15   doi: 10.5376/ijms.2016.06.0015
Received: 16 Dec., 2014    Accepted: 19 Feb., 2016    Published: 23 Feb., 2016
© 2016 BioPublisher Publishing Platform
This is an open access article published under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Preferred citation for this article:

Trivedi J.N., and Vachhrajani K.D., 2016, On burrow morphology of the ghost crab, Ocypode ceratophthalmus (Decapoda: Brachyura: Ocypodidae) from sandy shore of Gujarat, India, International Journal of Marine Science, 6(15): 1-10 (doi: 10.5376/ijms.2016.06.0015)

Burrow morphology of brachyuran crab Ocypode ceratophthalmus was studied at two different sites located on the Saurashtra coast of Gujarat state, India. Diluted resin was poured in the burrows for burrow cast. Crab, if emerged out from the burrow, was caught and carapace width and sex were recorded. The complete burrow casts were analyzed for various morphological characters and shapes. The depth wise variation in sediment temperature of the burrow was measured at the depth interval of 5 cm. A total of 55 intact burrow casts were obtained and 8 different types of burrow shapes were recorded. The crab carapace width showed significant correlation with burrow opening diameter, burrow volume and burrow total length. The juveniles were observed utilizing shallow burrow with small opening diameter located near water line while adults were observed utilizing deep burrows with large diameter located on the upper part of sandy shore. Specific pattern was observed in the burrow temperature in which the burrow temperature dropped significantly at the greatest depth which provides suitable environment to the crab to survive in the harsh environmental conditions.
Ocypode ceratophthalmus; Burrow morphology; Sandy shore; Gujarat
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