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Old 11-04-2003, 05:45 PM   #1
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Poor Brittle Star didn't have a chance

I put a medium sized Brittle Star in my 30g last week. Every day that passed he was missing another leg. Sunday I covered him with a sea shell only to come back 5 min. later to see the shell knocked off and his...ehem...insides no longer inside.

The tanks is about 4 months old with 4 condis, 1 maroon and 1 Clarkii clown, 1 fiji blue and 1 yellow fin damsel, and an algae blenny. The poor guy was just pecked to death and wasn't even eaten. Who is the culprit and what would the reason be for such vicious behavior???

Thanks,
Karl
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Old 11-04-2003, 05:50 PM   #2
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Do you have any crabs in there?
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Old 11-04-2003, 05:51 PM   #3
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How did you acclimate the Brittle star to your tank?
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Old 11-04-2003, 05:52 PM   #4
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More than likely it was a bacterial infection that did it in, if not I would look towards a mantis or rock crab before the intended residents of your tank.
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Old 11-04-2003, 06:07 PM   #5
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I do not have any crabs that I know of/added/can see in the tank. He was acclimated over about an hour period. Half hour temp. adjustment, then several water additions to the bag over the next half hour.
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Old 11-04-2003, 06:21 PM   #6
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He was acclimated over about an hour period. Half hour temp. adjustment, then several water additions to the bag over the next half hour.
IMO, that's the culprit. Stars are extremely sensitive to rapid changes in salinity, temp, & pH. Depending on how different your tank param's are from the LFS's water - it could take a minimum of 3 - 6 hours to properly acclimate the star.

Typical symptoms of a too-rapid acclimation process are - legs falling or 'dropping' of, chunks of the star missing, and a basic overall look as if it is 'disintegrating' or falling apart.

Sorry!!
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Old 11-04-2003, 06:32 PM   #7
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He was acclimated over about an hour period. Half hour temp. adjustment, then several water additions to the bag over the next half hour.


IMO, that's the culprit. Stars are extremely sensitive to rapid changes in salinity, temp, & pH. Depending on how different your tank param's are from the LFS's water - it could take a minimum of 3 - 6 hours to properly acclimate the star.
Agreed
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Old 11-04-2003, 06:50 PM   #8
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:censor: !!!!!!! I should have known better.

Thanks for your help,
Karl
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Old 11-04-2003, 09:15 PM   #9
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Don't be too hard on yourself. It's a common mistake -- and often, it's not something you can prevent. If the LFS doesn't acclimate cautiously, you may end up with the same result, even if you do it perfectly.

Sorry for your loss!
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Old 11-07-2003, 11:09 PM   #10
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I took my dog puffer in to the LFS for trade and had about 3-4 gallons of my tank water in the bucket. They added a container full of their water to my bucket and then dumped all the water into their tank. I thought this was crazy ...
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