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Old 05-18-2012, 10:00 PM   #11
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Amm almost at zero now. Nitrite at zero.
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Old 05-19-2012, 03:15 PM   #12
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OK, I have found 3 new inhabitants to my tank I am concerned about.

The first appears to by some type of anemone. It comes out from under by bottom rock (which was also a bottom rock on the tank I got it from and is oriented the same way). It looks like a tube anemone but seems to come out during the day rather than the night. In the Pic, it comes out from behing the feather dusters in the front. It seems harmless enough, but am I going to need to make iodine additions to my tank if I'm right about what it is?

Next is a small starfish. It is eating the stuff off the rocks. Eeek. Should I remove him? Sorry for the focus, best I could do.

The final things are a bunch of small shrimp. They come out at night and are attracted to a flashlight. Could be relatively easy to catch as they get bigger. I saw some very tiny ones after I fist set up my tank (less than 1mm and my youngest had to find them because my eyes were too old to notice them at first). Some are getting larger (2mm+) but the Damsels aren't eating them. Should I wait and see if the fish eat the shrimp?

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Old 05-19-2012, 05:27 PM   #13
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The nem is an aiptasia, they are a pest and reproduce rapidly. Get a bottle of aiptasiaX by Red Sea to kill it.

The second is an asterina star it looks like, they are harmless, actually good as they scavange on detritus and such

The third are copepods, they are small crustaceans and are good, they are detritivores and many fish depend on them as a food source. The more the better, they come in all shapes and sizes.
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Old 05-19-2012, 09:53 PM   #14
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I bought a peppermint shrimp. He gobbled all my little aiptasia. Won't touch the big ones. I pulled the rock out and used a torch to kill them!
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Old 05-19-2012, 10:27 PM   #15
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Lol that works too.
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Old 05-22-2012, 08:42 PM   #16
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Ok. Next Question. One of my rocks has a yellow algae that is covered by a clear film almost like a web covering it. I say almost because it looks like it varies in thickness but when I poke it it easily moves in to the rock (not gelatin like). Brittle stars even live under it in the rock.
Should I worry?
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Old 05-22-2012, 08:43 PM   #17
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Nuther pic
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Old 05-22-2012, 09:45 PM   #18
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Possibly a type of sponge which wont hurt anything. Second guess would be a biofilm of some sort. In either case i dont think its anything to worry about unless you notice a negative effect.
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Old 05-23-2012, 04:09 PM   #19
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The damselfish are reeking havoc in the sand under my rocks. They have undermined almost all the rocks with their eternal digging and started to bury the one Rick they are not digging under. Is this normal nesting behavior or are they searching for food?
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Old 05-24-2012, 12:46 AM   #20
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Anybody know if this is normal digging behavior for the damselfish?
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