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Short communication: Studying on relationship between carapace width and habitat properties of Tufted ghost crab (Ocypode cursor) living on Iztuzu beach–Turkey
Ö. Yılmaz . *, M. Barlas
Hitit University, Alaca Avni Çelik Vocational School, Veterinary Department, Turkey , ozgenyilmaz@hitit.edu.tr
Abstract:   (167 Views)

Current  study  was  carried  out  between  May  2014  and  May  2015  on  İztuzu  Beach  (Mugla,  Turkey).  Carapace  width,  the  depth  they  were  caught  in  their  burrows  and  distance  of  their  burrows  from  the  sea  parameters  of  244  Ocypode  cursor  individuals  were  recorded.  A  hypothesis  derived  from  the  observations  during  the  fieldworks  was  tested  statistically  based  on  the  data.  According  to  the  hypothesis  of  study,  caught  crabs  with  larger  carapace  widths  (>  20  mm)  intent  to  escape  from  their  burrows  while  they  are  still  close  to  the  sand  surface  during  the  digging  activity of researcher.  But  smaller ghost  crabs  (<  20  mm)  shows  tendency  to  hide  in  the  deeper  portions  of  their  burrows.  Statistical  analysis  showed  that  there  is  a  negative  correlation  between  caught  depth  and  carapace  width,  and  gender  factor  has  an  important  role  in  this  hypothesis  (r  =  -0.69  for  females  and  r  =  -0.70  for  males;  p  <  0.05).  It  was  found  that  distance  of  burrows  from  the  sea  had  no  effect  on  the  behavior  model.  Caught  depth  parameter  was  collected  first  time  by  this  study  for  the  ocypodid  crabs.

Keywords: İztuzu Beach, Ocypode cursor, Carapace width, Caught depth, Behavior model.
Full-Text [PDF 305 kb]   (79 Downloads)    
Type of Study: Orginal research papers | Subject: Biology & physiology
Received: 2016/11/16 | Accepted: 2018/02/19 | Published: 2020/01/19
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Yılmaz Ö, Barlas M. Short communication: Studying on relationship between carapace width and habitat properties of Tufted ghost crab (Ocypode cursor) living on Iztuzu beach–Turkey. IJFS. 2020; 19 (1) :518-524
URL: http://jifro.ir/article-1-2476-en.html


Volume 19, Issue 1 (2020) Back to browse issues page
مجله علوم شیلاتی ایران Iranian Journal of Fisheries Sciences
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