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http://indianaquariumhobbyist.com/community/ :: View topic - E. canarensis Collection trip - the story
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E. canarensis Collection trip - the story
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Madan
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PostPosted: Sun May 08, 2005 9:23 pm Post subject: E. canarensis Collection trip - the story Reply with quote

 Hi  Guys,
 
 We  are  back  from  the  E.  canarensis  collection  trip.
 
 Here  are  a  few  warm  up  photographs  for  you  to  enjoy.  There  will  be  more  uploaded  in  the  Gallery  once  we  all  sort  out  the  many  we  have  taken.
 
 All  details  of  the  biotopes  with  pictures  and  conditions  prevalent  there  will  be  posted  very  soon.
 
 This  is  the  First  biotope  where  we  Sighted  the  E.  canarensis
 
 
 
 
 
 
 A  huge  tree  had  fallen  into  the  river  during  the  previous  monsoon  and  got  stuck  between  the  pillars  of  the  bridge.  Joyban  (  Sujoy  )  using  it  as  a  mini  bridge  to  cross  the  river.
 
 
 
 A  young  Juvenile  E.  canarensis  feeding  on  the  awfuchs  attached  to  a  sunken  piece  of  drift  wood.
 
 
 
 Young  E.  canarensis  looking  for  food.
 
 
 
 Here  is  a  pic  of  a  Juvenile  we  collected.
 
 
 
 Here  is  an  image  of  2  more  specimens  we  collected.
 
 
 
 There  are  more  excellent  photographs  that  will  be  posted  here  once  Ravi,  Beta  and  Sriram  who  are  driving  back  to  Chennai  tonight  work  on  their  pics.
 
 Sujoy  too  will  be  posting  his  pics  once  he  is  back  in  Delhi.
 
 And  so  will  Nag  and  others.
 
 All  in  all  a  very  enjoyable  and  successful  trip.  I  enjoyed  every  minute  of  the  trip  thanks  to  the  Recce  done  by  Nayak  and  Trevor.


Last edited by Madan on Sat May 06, 2006 9:27 am; edited 2 times in total
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retro_gk
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PostPosted: Sun May 08, 2005 9:39 pm Post subject:  Reply with quote

 SCHWEEEEET!!!!!!!!!!!!!
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ZedLepp
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PostPosted: Sun May 08, 2005 10:14 pm Post subject:  Reply with quote

 awesome!!  love  the  pics  of  the  fish  in  the  river.
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Madan
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PostPosted: Sun May 08, 2005 10:39 pm Post subject:  Reply with quote

                                                   
ZedLepp  wrote:                
awesome!!  love  the  pics  of  the  fish  in  the  river.                

 
 Hang  on  with  all  you  have,  many  more  coming  up!  :lol:
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Madan
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PostPosted: Sun May 08, 2005 10:58 pm Post subject:  Reply with quote

 Karthik  (holding  the  Driftwood)  spotted  this  piece  under  water.
 
 Good  sense  finally  prevailed  or  else  we  would  have  had  multiple  hernias  to  deal  with.
 
 
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PostPosted: Mon May 09, 2005 2:51 am Post subject:  Reply with quote

 Wow,  very  nice.  Shocked  .....and  sounds  like  a  very  successful  trip.....so  were  the  canarensis  plentiful  in  the  river?    did  you  find  them  in  more  than  one  place??    The  picture  are  fantastic,  now  I  know  how  to  make  my  new  tank  look  for  my  canarensis.....looking  forward  to  more.....great  job!!!
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PostPosted: Mon May 09, 2005 8:30 am Post subject:  Reply with quote

 Hello  Tim,
 
 The  E.  canarensis    are  widely  distributed.  Not  just  in  the  Kumaradhara  River  but  also  in  the  hitherto  unrecorded  Netravathi.
 
 We  found  them  in  the  Kumaradhara,  about  55  Kilometers  upriver  of  the  last  reported  occurances.
 
 We  found  them  too  on  the  Netravathi  River  about  35  kilometer  upriver  of  Uppinangady.  They  have  never  been  reported  found  in  these  locations,  especially  not  in  the  Netravathi  River.
 
 Here  is  a  quick  look  at  the  Biotope  charecteristics
 
 Location  1:
 Netravathi  River:
 
 GPS  Position:
 
 N  12D  49.573M
 E  75D  34.212M
 Altitude  -  460  feet  above  mean  sea  level.
 
 pH  =  6.5
 Water  Temparature  -  32.6  Deg  C  at  Noon.
 TDS  -  50  ppm
 Conductivity-  94  microsiemens
 Kh  -  2  degrees
 Gh  -  2  degrees

 
 We  found  them  about  1000  meters  upriver  of  this  spot  too.  They  are  widely  occuring  in  the  Netravathi  River.
 
 
 Location  2:
 Kumaradhara  River:
 
 GPS  Position:
 
 N  12D  40.796M
 E  75D  36.805M
 Altitude  -  493  Feet  above  Mean  Sea  Level.
 
 pH  =  6.5
 Water  Temparature  -  33.1  Deg  C  at  1800  hrs.
 TDS  -  40  ppm
 Conductivity-  85  microsiemens
 Kh  -  2  degrees
 Gh  -  2  degrees

 
 The  fish  were  found  about  1000  meters  upstream  of  this  point  too  in  larger  numbers.
 
 I  have  got  water  samples  from  these  locations  and  will  be  giving  it  to  a  good  testing  laboratory  for  analysis.  I'll  post  the  results  here  as  soon  as  they  are  available.
 
 There  are  numerous  fish  in  the  river  but  not  in  the  large  numbers  I  would  like  to  see.
 
 Both  these  locations  are  between  75  -  100  kilometers  from  Mangalore  where  the  rivers  enter  the  sea.  All  fish  photographed  were  juveniles.  Adults  were  seen  but  very  difficult  to  catch.  The  water  depth  in  both  these  rivers  was  not  in  excess  of  4  feet  in  the  locations  we  found.
 This  puts  paid  to  all  speculation  that  these  fish  inhabit  brackish  waters.
 What  I  feel  is  these  fish  inhibit  and  breed  in  the  soft,  oxygen  rich  slow  flowing  waters  well  away  from  the  sea  and  salt.  During  the  monsoon  these  rivers  turn  into  torrents  and  these  fish  are  washed  closer  to  the  coast  and  what's  trapped  there  near  the  coast  have  been  collected  previously.
 
 I  have  a  another  theory  that  is  working  in  my  mind....  but  more  rambling  on  that  later.


Last edited by Madan on Mon May 09, 2005 1:34 pm; edited 2 times in total
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puneit
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PostPosted: Mon May 09, 2005 8:58 am Post subject:  Reply with quote

 Great  pics,  eagerly  waiting  for  more.  Congratulations  for  a  successful  trip.
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Tim
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PostPosted: Mon May 09, 2005 9:27 am Post subject:  Reply with quote

 Interesting....especially  the  temperature....it  is  much  higher  than  I  have  been  keeping  mine.....do  you  have  any  Idea  (guess)  what  the  water  temperature  changes  to  during  the  monsoon?    That  may  give  us  a  hint  about  spawing  triggers....I  am  sure  that  the  monsoon  water  is  also  quite  soft  and  oxygenated.....hmmmm....sounds  like  I'll  need  to  turn  the  heat  up  in  my  tank!!!.....I  am  very  grateful  indeed  for  the  information...it  is  very  helpful!!
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PostPosted: Mon May 09, 2005 9:54 am Post subject: Congratulations Reply with quote

 Madan  bhai..
 Congratulations  for  a  successful  tour  and  trip.
 i  am  also  interested  in  touring  and  collection  but  ...boss  you  see,,,we  are  very  far  away  from  you  and  there  is  no  team  here  to  go  with  us  ..there  are  only  2  person  interested  in  touring  that  is  Amitabha  and  me  ..
 
 but  boss  whenever  you  go  next  for  trip  then  please  let  me  know  so  i  also  can  try  to  join  you..
 but  again  once  more  Congratulations  for  the  lovely  trip..  and  keep  it  up.
 there  is  my  pray  to  god  for  more  success  for  the  team  of  IAH..  
 
 pappu
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PostPosted: Mon May 09, 2005 11:40 am Post subject:  Reply with quote

                                                   
Tim  wrote:                
Interesting....especially  the  temperature....it  is  much  higher  than  I  have  been  keeping  mine.....do  you  have  any  Idea  (guess)  what  the  water  temperature  changes  to  during  the  monsoon?    That  may  give  us  a  hint  about  spawing  triggers....I  am  sure  that  the  monsoon  water  is  also  quite  soft  and  oxygenated.....hmmmm....sounds  like  I'll  need  to  turn  the  heat  up  in  my  tank!!!.....I  am  very  grateful  indeed  for  the  information...it  is  very  helpful!!                

 
 This  is  exactly  the  theory  I  was  mentioning  above.
 
 I  doubt  these  fish  breed  during  the  monsoons  as  the  rivers  are  a  raging  torrent  and  the  waters  would  be  at  a  TDS  of  practically  ZERO.
 
 The  juveniles  we  sighted  were  about  4  months  old.  So  the  fish  breed  in  Dec-Jan  when  the  water  temparature  in  these  parts  should  drop  to  about  25  Deg  C  or  lower.
 
 Maintaining  these  fish  at  the  higher  temparature  of  33  Deg  C  and  gradually  dropping  the  temparature  to  about  25  Deg  or  lower  over  a  couple  of  weeks  should  trigger  spawning.
 
 Another  option  is  to  drop  the  temparature  and  raise  it  back  again  to  33  Deg  C,  if  in  case  these  juvenile  fish  are  actually  younger  than  4-5  months,  this  would  be  the  temparature  variation  say  in  Feb-March.
 
 This  is  my  speculation.
 
 Any  takers?
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PostPosted: Mon May 09, 2005 11:54 am Post subject:  Reply with quote

 Here  are  couple  of  pics  giving  you  an  indication  of  the  height  of  the  mountain  range  the  rivers  Netravathi  and  Kumaradhara  originate  in  and  the  average  annual  rainfall,  98%  of  which  is  in  the  monsoon  season  from  June  -  Sept  each  year.
 
 
 
 The  rainfall  here  is  an  awesome  4.5  meters  each  year.
 
 
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PostPosted: Mon May 09, 2005 12:05 pm Post subject:  Reply with quote

 Hello  Everyone,
 
 We  reached  Chennai  around  1:30  in  the  night.    All  safe  with  no  major  incidents  to  report.
 
 I  will  upload  the  images  tonight  so  that  Beta  can  start  working  on  the  article  on  our  trip  and  also  on    The  Hunt  for  E.  canarensis.
 
 It  was  a  wonderful  but  slightly  tiring  at  the  end  of  the  day.    Had  a  great  night  sleep  and  now  at  work.
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PostPosted: Mon May 09, 2005 12:05 pm Post subject: Re: Congratulations Reply with quote

                                                   
pappu  wrote:                
Madan  bhai..
 Congratulations  for  a  successful  tour  and  trip.
 i  am  also  interested  in  touring  and  collection  but  ...boss  you  see,,,we  are  very  far  away  from  you  and  there  is  no  team  here  to  go  with  us  ..there  are  only  2  person  interested  in  touring  that  is  Amitabha  and  me  ..
 
 but  boss  whenever  you  go  next  for  trip  then  please  let  me  know  so  i  also  can  try  to  join  you..
 but  again  once  more  Congratulations  for  the  lovely  trip..  and  keep  it  up.
 there  is  my  pray  to  god  for  more  success  for  the  team  of  IAH..  
 
 pappu                

 
 Pappu  da  this  was  the  mother  of  all  collection  trips  that  IAH  organised.
 22  fish  seekers  on  the  prowl,  not  with  the  intention  of  removing  every  fish  we  found  in  the  habitats  but  more  interested  in  studying  the  conditions  in  which  these  fish  were  found.
 
 This  trip  took  about  2  months  to  materialise  with  a  lot  of  research,  both  locally  and  on  the  net,  and  with  3  recce  trips  thrown  in.
 
 We  will  organise  more  trips  -  the  next  will  probably  be  a  search  for  the  Puntius  denisonii,  the  Redline  Torpedo  Fish,  of  which  very  little  is  known.
 Keep  reading  the  forums  and  in  case  any  such  activity  is  organised  it  will  be  posted  here.
 
 This  trip  would  not  have  been  as  enjoyable  if  not  for  all  22  guys  being  like  minded.
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Madan
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PostPosted: Mon May 09, 2005 12:07 pm Post subject:  Reply with quote

                                                   
rrsriram  wrote:                
Hello  Everyone,
 
 We  reached  Chennai  around  1:30  in  the  night.    All  safe  with  no  major  incidents  to  report.
 
 I  will  upload  the  images  tonight  so  that  Beta  can  start  working  on  the  article  on  our  trip  and  also  on    The  Hunt  for  E.  canarensis.
 
 It  was  a  wonderful  but  slightly  tiring  at  the  end  of  the  day.    Had  a  great  night  sleep  and  now  at  work.                

 
 Hey  Sriram,
 
 Glad  to  note  all  of  you  reached  safely.
 I  am  still  very  sleepy,  but  luckily  not  at  work.  :lol:
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