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Old 06-09-2005, 10:21 AM   #1
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Cirolanid Isopod problem

All,

Last night, while cleaning my tank, I noticed a cirolanid isopod on the sponge in my overflow box to my sump. This is the second one of these that I have found in the past 3-4 months. Is this something I should be concerned with? I have never seen them attached to my fish and have had no strange fish deaths recently. I guess just finding a second one scares me a little.

Any thoughts?

tripper
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Old 06-09-2005, 10:29 AM   #2
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These are not good. You should make every attempt to get them out. Manual removal is best. After lights-out go night diving with a flashlght to spot them. You can also introduce a six-line wrasse as they are a natual food source and the wrasse should eat them. This method is certainly up for debate but I have not seen an isopod in my tank since the addition of the six-line.
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Old 06-09-2005, 10:36 AM   #3
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lando,

I actually do have a six-line wrasse in my tank. It is just coincidence considering I did not know they would eat them. Given the size of the isopod I pulled out though, my six-line would need a couple others to help him take care of it. I understand they are not good, but hopefully I don't have too many since I've only seen two in my tank in the year that it's been running.

Thanks

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Old 06-09-2005, 11:09 AM   #4
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Hey, can someone shed light on why isopods are bad? are they parasitic? I ask because my second choice for an LFS had some weird external 'parasite' looking things in one of their tanks full of royal grammas. One gramma had a white 'thing' stuck near it's eye, and another had a slightly larger white thing attached near it's gill. Way too large to be ich or marine velvet.
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Old 06-09-2005, 11:34 AM   #5
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Yeah Isopods are parasites, they attach themselves to the side of a fish and can do significant damage to fish in a short period of time. Here are some Cirolanids I caught in my tank:





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