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  #1  
Old 10/23/2004, 09:26 PM
static416 static416 is offline
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Join Date: Aug 2003
Location: Toronto, Canada
Posts: 4
Do a shark and hyposalinity mix?

I know sharks are a touchy subject around here, but I feel that I can handle the challenge and I need a little advise.

I might be getting a Coral Cat Shark in the next week or so, depending on whether or not it comes in with the LFS's next order.

My problem is that the 280gal tank it would be going into is currently in the final stages of a hyposalinity treatment to treat the Voltan and Sailfin Tang within it, for Ich. From what I've read, it isn't possible for sharks to get Ich, however, I do know that they are sensitive to salinity levels.

My question is, can the shark survive being in 1.012 water for a week or two until the treatment is finished? Or should I try to get the LFS to hold the shark till the treatment is done?

Thanks
Eric
  #2  
Old 10/23/2004, 09:33 PM
Absint Reefer Absint Reefer is offline
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sharks can get ich rays can't
  #3  
Old 10/23/2004, 09:33 PM
KJMiller KJMiller is offline
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Join Date: Jun 2004
Location: Sleepy hollow a n/w burb
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no i would never keep a shar at los silinity like that. I would tell the store to hold it for you because you will kill it.
  #4  
Old 10/24/2004, 12:09 PM
Gem Tang Rider Gem Tang Rider is offline
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Eric,
There is a store in Milwaukee WI that has a couple of nurse sharks that are over 5ft. They have always kept them at 1.014SG, but they are also in a very very large tank.
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  #5  
Old 10/26/2004, 02:38 PM
static416 static416 is offline
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Location: Toronto, Canada
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Having researched it more, I've found out that most sharks can't tolerate salinity much lower than 1.018. There are some that can actually swim upstream into freshwater for short periods of time, but the Coral Cat Shark isn't one of them. I'm going to get the LFS to hold it for me for a few weeks, till the treatment is done.

Thanks for the help
Eric
  #6  
Old 10/26/2004, 02:41 PM
Razing Kane Razing Kane is offline
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smart move, good luck
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  #7  
Old 10/26/2004, 03:06 PM
pubily pubily is offline
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Location: rural Pekin, central Illinois
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Lake Managua, a very large fresh water lake beside the capital of Nicaragua, has maneating sharks. They arrived there a long time ago traveling up a river from the Pacific Ocean. I certainly realize that the shark you're getting isn't the same...but...I thought it might be interesting to share that just as a needless but curious bit of information. I was in Managua shortly after the 1972 earthquake that leveled the city. I tried to get to the lake hoping to see the sharks but didn't have time and frankly I couldn't ask disaster relief people to take the time. Has anyone in RC seen one??
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  #8  
Old 10/29/2004, 12:58 AM
Lrgclasper Lrgclasper is offline
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Join Date: Apr 2003
Location: Juneau, Alaska
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Sharks in Managua were actually believed to be a population of Bull Sharks that basically got stuck at some point. They are, however, no longer present in lake. I am not sure if it due to pollution or hunting.
  #9  
Old 10/29/2004, 05:19 AM
ACIDRAIN ACIDRAIN is offline
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Join Date: Aug 2004
Location: Cincinnati, OH
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Yes, most all sharks are one fish, that cannot tolerate the lower salinity. Their biology is much different that other fish. They may not show problems early on, but eventually they will start to show problems if kept in lower salinities. Smart thinking to have the store hold them until you bring the salinity back up.
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  #10  
Old 10/29/2004, 06:00 AM
Paul B Paul B is offline
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Location: Long Island NY
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I have to ask my sharks what salinity they like.
Paul
 


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