First record of the Two-striped Box Crab Calappa bilineata Ng, Lai & Aungtonya, 2002 (Brachyura: Calappidae) from St. Martin’s Island, Bangladesh

As part of survey of a BS (hons) study tour conducted by the Department of Zoology, University of Dhaka, two specimens of box crab were caught with a beach seine net from the northern beach in front of the Hotel Prince Heaven (20038’07.50”N & 92019’34.68”E) on new moon of 07th December 2012. Those box crabs were identified as the Two Striped Box Crab Calappa bilineata Ng, Lai & Aungtonya, 2002 which is turned out as a new record for Bangladesh and a record for the northern part of the Bay of Bengal.