Refugium Pests

SierraReefer

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Anyone know what these are growing in my refugium?
 

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Thanks for the info. The good news is that they are only in my refugium. It's just a hang on the back should I tear it apart and clean them all out? Buy a six line wrasse and put it in there? What's my best option of keeping them from getting to the main tank?
 
They will migrate to the DT and seek out the highest peak for light. If that peak is a coral, they will cover the coral and stop light from reaching the coral.
 
These are planaria. If you have most any type of wrasse you won't have any in the DT.
 
I been living with them in my tank for years.
I notice they don't go onto sps or zoa but they do like to sit on my elegants lps.
Mostly harmless
If you want blow them off and siphoned out. Chem work but then your dealing with spike unless you get most of them.
For me number seem to grow and decline
fish will take care of small numbers
 
If they become a nuisance, a blue velvet nudibranch is a true natural predator. Wrasse can be hit or miss. If it gets to that point and if you're interested I'll go half on one (if we can find/order them locally). I don't have a flatworm problem, but I've noticed some suspicious worms in my tank. My melanurus wrasse doesn't seem interested. The nudibranch would be insurance. Or if anyone else has a velvet nudibranch I'd be interested.
 
Thanks for all the help. I purchased a six line wrasse and put him in the hang on the back refugium. I have a filter pad where the water passes back into the tank so none would have been able to make it into the main tank. Strange thing is a couple of days later I see the wrasse swimming around in the main tank!. There is absolutely no way for him to enter my main tank except to jump out the top of the refugium and into the tank. This is possible as my hood is open in the back. I removed many of the flatworms by hand but I think I will tear down the refugium and get them all out of there. All I have in there is cheato. With a six line and an mandarin in the main tank I don't think I will be worrying much about pests in there. I am however worried that there will not be enough copepods to support both. I buy them regularly as this is only a 29 gal. tank.
 
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