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On the castle building habit of the crab Cardisoma carnifex (Herbst) (Family Geocarcinidae), of the Andaman Islands

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Title On the castle building habit of the crab Cardisoma carnifex (Herbst) (Family Geocarcinidae), of the
Andaman Islands
Not Available
 
Creator Silas,E G
Sankarankutty,C
 
Subject Cardisoma carnifex
crab
Andaman islands
Geocarcinidae
 
Description Not Available
Our knowledge of the ecology and habits of land crabs of the family Geocarcinidae, especially of the genus Cardisoma is wanting in several respects. In the tropical Indo-Pacific, where two species of this genus are recognised, the available information is restricted to stray observations, mostly pertaining to locality records.
During a recent visit to the Andamans and Nicobar Islands in February-March 1960, we were interested to see in several places close to the shore in Andamans, characteristic earthen mounds, some of exceptionally large size and each resembling a termitarium. A close scrutiny showed that the mounds were crab castles, and in some fields several of these castles of varying sizes were seen generally ranging in height between 30 and 50 cms. and spread out almost to the shoreline. The largest of such aggregations both in numbers and size we found in places adjacentto Phoenix Bay, Port Blair, and at Mayabundur, where each mound was about 75 cms. high with an almost equal basal diameter. Although we were told that several
hundreds of these crabs teem over the colony areas and adjacent fields at night, this was not to be the case, atleast during the period of our visit and only on the last nightof our stay at Port Blair were we able to catch one of the crabs from a colony near Marine Drive, Aberdeen Bay which we visited or passed by at different hours of the
night as well as during day time when observations were made. The crab is a large female Cardisoma carnifex (Herbst) (Plate I, fig. 2), a species having a fairly wide
distribution in the tropical Indo-Pacific.
Not Available
 
Date 2021-08-04T10:11:27Z
2021-08-04T10:11:27Z
1960
 
Type article
Article
 
Identifier Not Available
Not Available
Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/53060
 
Language English
 
Relation Not Available
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Publisher MBAI