ID please!! Flatworm??

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#3
Look like aceol flatworms to me. I never had luck killing aceol flatworms with flatworm exit. A wrasse or 2 could help keep population at bay. But in all honesty I have these wildly in my refuge and as fare as I can tell they eat algae. So I don’t stress about aceol flatworms.
 

Sunhot

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#4
I have a six line, and I think he only picks it when is on rock. Yes my refuge has some on the algae too, no coral has any issue “yet”. Will keep monitor more days.
 

Dipan00

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#5
Yeah I have these also. Seem to be harmless to SPS and Zoas. And they do look like Acoel Flatworms
 
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#6
They look like red planaria to me. If so a fresh water dip will kill/dissolve them. Just swerl a rock around in some fresh water for a few seconds.
 
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#7
They look like red planaria to me. If so a fresh water dip will kill/dissolve them. Just swerl a rock around in some fresh water for a few seconds.
No way. There way to small to be red planaria.

Look at that scratch. That scratch can’t be much thinker then a hair. That flatworm is only a 1/16” wide. Red planarias are more like 3/16” to 1/4” wide. The details are in the fine print son!
 
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#8
Look like aceol flatworms to me. I never had luck killing aceol flatworms with flatworm exit. A wrasse or 2 could help keep population at bay. But in all honesty I have these wildly in my refuge and as fare as I can tell they eat algae. So I don’t stress about aceol flatworms.
Second. Melanurus wrasse will do great work in picking them off. Christmas wrasse is another one I’ve had great success with. Good luck.
 
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No way. There way to small to be red planaria.

Look at that scratch. That scratch can’t be much thinker then a hair. That flatworm is only a 1/16” wide. Red planarias are more like 3/16” to 1/4” wide. The details are in the fine print son!
I have no way of knowing how big or small that scratch is. The OP did not say anything about how big the scratch is so your just guessing. The ones below the scratch definitely look like red planaria to me from both their color and shape.
Show some respect. I am not your son! I have kept some original saltwater fish and corals from over 10 years before you even joined this forum. If you disagree that is up to you. I respectfully disagree with your assessment and suggested an easy way to remove them. If they are planaria they will quickly detach from rocks and frags and dissolve in fresh water. Will the others do the same? I do not know.
 
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I have no way of knowing how big or small that scratch is. The OP did not say anything about how big the scratch is so your just guessing. The ones below the scratch definitely look like red planaria to me from both their color and shape.
Show some respect. I am not your son! I have kept some original saltwater fish and corals from over 10 years before you even joined this forum. If you disagree that is up to you. I respectfully disagree with your assessment and suggested an easy way to remove them. If they are planaria they will quickly detach from rocks and frags and dissolve in fresh water. Will the others do the same? I do not know.
So your telling me these look the same as the op’s pics

Well sense you bony like being called young then get your eyes checked pops.

Also FYI I’ve had reef tanks sense 99 and fish sense I was 16, so sense 1996. Yea you have more years of being a member wow I’ve been on these forums longer that’s cool. But sense you wanna make this a big d*** contest I was getting mine sucked during my 20s, not playing online.
 
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