Status of vulnerable leopard whip ray (Himantura undulata) at two landing centres of Chittagong and Cox's Bazar, Bangladesh

Bangladesh Journal of Zoology

Md Fokhrul Alam¹  Bikram Jit Roy¹  Md Gaziur Rahman¹  Nripendra Kumar Singha¹  SM Hasan Ali¹ 

[1] Marine Fisheries Survey Management Unit, Agrabad, Chittagong

关键词: Landing;    whip ray;    fish harbour BFDC;   

DOI  :  10.3329/bjz.v42i1.23332

学科分类：动物科学

来源: Zoological Society of Bangladesh

【 摘 要 】

Landing of vulnerable ray species, Leopard whip ray,Himantura undulata(Bleeker, 1852) was recorded from two fish landing centers of Bangladesh Fisheris Development Corporation. The highest landing volume was recorded 0.420 mt in March 2010 and the lowest 0.112 mt in August 2011. Average highest and lowest landings were 52.5 kg and 2.88 kg in the months of November2012 and in March 2009 respectively. During 2009-2010H. undulatacontributed only 0.560 MT (0.33 %) followed by 2010-2011, 2011-2012 and 2012- 2013 period were 0.893 MT (0.28%), 0.882 MT (0.23% ) and 0.434MT (0.12%) of the year wise total landing volume of sharks and rays respectively. Month wise maximum and minimum recorded numbers of landedH. undulatawere 59 and 4 in the month of November, 2012 and July, 2009 respectively. The highest and lowest percentage contributions were 2.54% and 0.28% in July, 2009 and March, 2013 respectively.Bangladesh J. Zool.42 (1): 11-17, 2014

【 授权许可】

Unknown