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http://indianaquariumhobbyist.com/community/ :: View topic - Native Sting Rays - freshwater; brackish; marine
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Native Sting Rays - freshwater; brackish; marine

 
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joyban
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PostPosted: Fri Jun 13, 2008 5:51 pm Post subject: Native Sting Rays - freshwater; brackish; marine Reply with quote

 Some  days  ago  there  was  a  post  about  Sting  Rays  and  this  prompted  me  to  do  a  small  
 search  of  Stings  Rays  found  in  India.  As  per  Fish  Base  here  is  what  I  found:-
 
 Please  note  when  it  has  been  mentioned  "freshwater;  brackish;  marine"  it  is  mostly  marine  
 and  brackish  except  for  Himantura  chaophraya.
 
 1.
 Himantura  bleekeri  
 Environment  :-  brackish;  marine
 Occ.  :-  Found  in  east  coast  and  its  estuaries.  Known  from  West  Bengal,  Orissa,  Mumbai  coast,  
 Palk  Bay  and  Gulf  of  Mannar.  Collected  from  freshwater  near  Khargan,  near  Bhagalpur  
 Red  List  Status  :-  Not  Evaluated
 
 2.
 Himantura  fluviatilis  
 Environment  :-  freshwater;  brackish;  marine
 Occ.  :-  Gangetic  river  system.  Possibly  in  the  Bay  of  Bengal,  close  to  Himantura  chaophraya.
 Inhabits  rivers.  Also  found  in  shallow  bays  and  estuaries  in  the  Bay  of  Bengal.  Ovoviviparous
 Red  List  Status  :-  Endangered  (EN)
 
 3.
 Himantura  gerrardi   
 Environment  :-  brackish;  marine
 Occ.  :-  Known  from  the  Indian  Ocean,  especially  in  Palk  Bay.  Inhabits  river  mouths  and  
 coastal  waters  Collected  from  the  estuary  and  freshwater  of  the  River  Ganges.  
 Probably  a  species  complex.Likely  confined  to  the  inner  continental  shelf  ,  over  sandy  
 and  mud  bottoms.  Recorded  from  coastal  waters  and  river  mouths.  
 Feeds  on  bottom  crustaceans  including  shrimp,  crabs  and  small  lobsters
 Red  List  Status  :-  Not  Evaluated
 
 4.
 Himantura  imbricata  
 Environment  :-  freshwater;  brackish;  marine
 Occ.  :-  Occurs  in  both  sides  of  the  Indian  coast.  Recorded  from  Orissa  coastand  known  to  
 breed  in  Chilka  Lake  Found  in  inshore  coastal  waters  .  Typically  found  in  estuarine  habitats,  
 but  also  reported  from  the  Great  Lake.  The  single  record  from  the  Great  Lake  may  in  fact  refer  to  
 Dasyatis  laosensis.  Young  and  adults  feed  on  benthic  invertebrates.  Ovoviviparous.  
 May  grow  to  a  maximum  of  140  cm  disc  length  in  the  sea.  Juveniles  may  be  present  in  mangroves.
 Red  List  Status  :-  Not  Evaluated
 
 5.
 Himantura  uarnak  
 Environment  :-  brackish;  marine
 Occ.  :-  Found  along  the  coast,  Palk  Bay  and  Gulf  of  Mannar.  Young  enter  the  Hooghly  estuary  
 and  the  Chilka  lake  in  Orissa  .  Taken  largely  by  poorer  section.  Large  sized  Collected  from  the  
 estuary  of  the  River  Ganges.  This  name  has  been  used  for  a  number  of  similar  spotted  species  .  
 Probably  a  species  complex.  Its  identity  has  been  confused  in  many  publications  and  Micronesian  specimens  should  be  re-examined
 Red  List  Status  :-  Not  Evaluated
 
 6.
 Pastinachus  sephen  
 Environment  :-  brackish;  marine
 Occ.  :-  Found  in  Palk  Bay  and  Gulf  of  Mannar;  also  in  coastal  waters  and  Chilka  Lake.  
 Reported  to  breed  after  the  monsoon  season  in  Cuddalore.  Taken  by  large  number  of  
 poor  people.  It's  tail  is  populatry  used  as  whip  by  the  villagers.  Large  sized   
 Red  List  Status  :-  Not  Evaluated
 
 7.
 Himantura  chaophraya  
 Environment  :-  Freshwater
 Occ.  :-  Collected  from  freshwater  at  Rajmehar  and  Farakka.  Outside  distributional  range,  
 occurrence  needs  verification.Inhabits  sandy  bottoms  in  estuaries  and  large  rivers.  Feeds  on
 benthic  invertebrates  and  fishes  .  Ovoviviparous.  Caught  occasionally  by  demersal  gillnet  
 and  longline  fisheries  operating  in  riverine  and  estuarine  areas.  Utilized  for  its  meat  and  possibly  
 its  cartilage.Marketed  fresh,  with  large  individuals  being  sold  in  cut  pieces  by  the  kilogram  .  Size  
 reaches  to  about  500  cm  Threatened  due  to  over  harvesting  and  pollution  .
 Red  List  Status  :-  Vulnerable  (VU)
 
 Some  Pics  of  Himantura  chaophraya
 
 Source:-  FISH  BASE
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retro_gk
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PostPosted: Fri Jun 13, 2008 7:10 pm Post subject: Re: Native Sting Rays - freshwater; brackish; marine Reply with quote

 You  can  add  Himantura  kittipongi  to  that  list.
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joyban
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PostPosted: Sat Jun 14, 2008 8:18 am Post subject: Re: Native Sting Rays - freshwater; brackish; marine Reply with quote

 Hi  Rahul  Tnaks  
 
 But  is  this  (  Himantura  kittipongi)  found  in  India  ?
 
 Reagrds
 
 Sujoy
 
 some  more  info  on   Himantura  chaophraya  at  http://www.wii.gov.in/publications/newsletter/nletterwinter2001spring2002/page5.htm
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retro_gk
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PostPosted: Sat Jun 14, 2008 11:03 am Post subject: Re: Native Sting Rays - freshwater; brackish; marine Reply with quote

 If  H.  chaophraya  is,  probably.
 
 Personally,  I  don't  think  either  species  is  found  in  Indian  waters.
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Kaushik
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Joined: Sep 11, 2007
Posts: 2059
Location: Ujjain(MP)

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PostPosted: Sat Jun 14, 2008 11:42 am Post subject: Re: Native Sting Rays - freshwater; brackish; marine Reply with quote

 Dear  Sujoy   &  Rahul
 Himantura  Fluviatilis  is  found  in  Chambal  river  in  Kota(Rajasthan)  area.It  is  quite  big  around  5  ft  with  stings  and  weight   apx.10  kilos.Though  it  is  a   endangered  species  but  local  fisherman  sales  them  in  the  weekly  Hat.
 Regards
 Kaushik
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