strange shark behavior
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strange shark behavior

This is a discussion on strange shark behavior within the Cyprinids and Atherinids forums, part of the Freshwater and Tropical Fish category; --> I have 2 bala sharks along with 6 zebra danios, 6 cherry barbs, and 4 neon tetras in a 55 gal tank. They all ...

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strange shark behavior
Old 04-29-2007, 04:23 PM   #1
 
strange shark behavior

I have 2 bala sharks along with 6 zebra danios, 6 cherry barbs, and 4 neon tetras in a 55 gal tank. They all seem to be doing fine except for one of the sharks. He swims up and down the end of the tank like he's trying to find a way out. It's exhausting to watch. The other shark just swims around like a normal fish. Is there something wrong or is this normal? He goes up and down at the end where I have a bubble rock, and the filter is also more at that end than the other.
The last time I tested the water it was ammonia-0, nitrites-0, nitrates-5, which is about where it's been for the past 2 or 3 weeks.
I guess I just want to make sure there isn't something I should be doing.
Thanks.
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Old 04-29-2007, 04:29 PM   #2
 
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Bala sharks are often debated on when it comes to captivity. Some people believe they should not be sold for aquariums at all due to their active nature. Your water quality has nothing to do with this. You just happen to have acquired a rather nomadic specimen is all. How long have you had him? He will eventually get used to the tank I suppose - he can only try to escape for so long before becoming exhausted enough to stop. :p
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Old 04-29-2007, 04:35 PM   #3
 
I've had him for about 2 weeks. I got him to help the first one because he was so shy and hid all the time. The first 5 or 6 days it was great. The more active guy brought the shy one out of hiding. So now the shy guy is normal and the active one is trying to escape "upstream". At least he does stop long enough to eat when I feed them. I suppose he has to in order to keep up his strength in the attempt to escape.
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Old 04-29-2007, 04:42 PM   #4
 
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Well there's nothing you can really do about your Andy DuFresne ( :D ) so my advice would be to just keep an eye on him. If he begins to attack others, show sickness, or stop eating, then you can start worrying. In the mean time he will need to learn that he's not going anywhere.

It's possible he's just swimming the way he likes as well.
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Old 04-30-2007, 05:25 PM   #5
 
I guess I'm glad the picture taped to the tank is on the outside then. :)

And I will be sure to keep the tank covered so he can't leap to freedom either.

Thanks!
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Old 05-01-2007, 04:23 AM   #6
 
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bala sharks are good jumpers too!!!
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