Cirolanid ???

I've got loads of isopods that look similar in my tank. They come out of hiding when I feed things after lights out and always swoop down on food. I've had fish in with them for about 6 weeks so far with no trouble yet. Like yours the eyes are quite small. Given that they eat anything I feed the tank I came to the conclusion that it is unlikely that they are obligate fish parasites.
 
<a href=showthread.php?s=&postid=7452981#post7452981 target=_blank>Originally posted</a> by colettem
I've got loads of isopods that look similar in my tank. They come out of hiding when I feed things after lights out and always swoop down on food. I've had fish in with them for about 6 weeks so far with no trouble yet. Like yours the eyes are quite small. Given that they eat anything I feed the tank I came to the conclusion that it is unlikely that they are obligate fish parasites.
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There are many similiar looking isopods in marine aquariums that are not Cirolanids. Keep an eye on the fish to see if anything attachs to them after lights out and also for small sores on their body during the day.

Try the trap that Steve is using and see if you can capture any and take some pictures of them in a shallow cup.

You are also correct that whatever type of isopod you have is not an obligate fish parasite if they will go after other food. In fact, even if they are Cirolanids, you could have ones that are just scavengers.

Brian
 
Nothing in the traps for the night May 30th.

5th day without cirolanid in the traps.

I don't know if it remains about it, but it's on the good way.

Steve
 
Steve,

Hey, things are sounding better with 5 days without Cirolanids! You can probably start trapping every few days now instead of every day. Some of my sources said that females that are breeding will avoid traps for a while (no definition of what "a while" means). So trapping every few days will reduce your workload and still try to capture any leftover females.

Brian
 
I decided to place my traps more towards the center.

Result, I captured 1 medium cirolanid (trap 3) in the night of May 31th.

I don't know if it's a good or bad news. But if it's the females which goes out, that maybe a good news.

Steve
 
Ok , but for not to make too much post, I will make a summary approximately 2 times per week.

Nothing in the traps for the june 10th and 11th.
 
<a href=showthread.php?s=&postid=7551058#post7551058 target=_blank>Originally posted</a> by Travis L. Stevens
So far so good. Personally, how long would it take for nothing to show up before you would believe that they are all gone?
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I don't know, but CirolanidHunter suggest waiting between 60 and 90 days.



Nothing in the traps from June 12th till June 15th
 
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