Do you see anything?

[Jarred1]

I just noticed that one of my sps was receding and was worried about pests because I had two others that were receding. I also had a temp swing that hit 85 almost 86 degrees, could this cause the recession? Do you guys see any signs of pests?

Thanks in advance.

 

[sponger0]

Temperature or alkalinity would be my guess....especially hitting up to 86 degrees.

 

[Jarred1]

Alk is steady at 8.4 (RSP test). Could it be from when I dose alk it gets blown right to where the recession is?

 

[sponger0]

Where is the normal placement of the coral? Right next to the return or powerhead?

 

[Jarred1]

No, it was on a rock mid way up in a 20 high. The power head is on the opposite side of the tank. The flow in the tank was circular and the recessed part was toward the flow and got no light. Let me know if you don't understand and I'll try to explain it better.


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[sponger0]

Ok was just checking making sure flow was being pounded directly on the coral.

 

[Jarred1]

Could the recession be caused from that spot of the coral not receiving any light? Do corals loose flesh at the base if the top shades the lower parts of the coral? Is it cause by flow? I'm new to sps and would like to know these answers.

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[Met3112]

Shaded parts of healthy Acropora should not lose flesh but just become smooth.

This looks to be acro eating flatworms to me. There looks to be eggs in the middle of the receded part, if so, scrape them off with a knife.

I would dip the coral and blow it off with a turkey baster to see if anything comes off. The flatworms are white and oval shaped (brown in iodine dips).

 

[Whisperer]

Looks like tissue loss (?cause) but it is contained because of smooth edges. I do not think it is parasite related. It looks like it is beginning to recover.

 

[Jarred1]

Shaded parts of healthy Acropora should not lose flesh but just become smooth.

This looks to be acro eating flatworms to me. There looks to be eggs in the middle of the receded part, if so, scrape them off with a knife.

I would dip the coral and blow it off with a turkey baster to see if anything comes off. The flatworms are white and oval shaped (brown in iodine dips).

Those aren't eggs, it's part of the rock I broke the coral off of.