Bpb Posted December 16, 2014 Share Posted December 16, 2014 I'll preface by saying I haven't added anything new to the tank in well over a month. Everything has been fine. No STN, no visible pests ever. No bite marks ever. My purple stylo always looks awesome and has been one of my best growers and fuzziest specimens. Just today spontaneously I noticed it had about half polyp extension. Never done this before. Didn't think much of it. Maybe a crab bumped it or something. Just got home for the evening. Still looks bad. I look closer and see black spots all over it. About the size of sesame seeds. Any ideas? Again this is totally out of nowhere. I've never seen any evidence of predation and nothing new for a while Link to comment Share on other sites More sharing options...
FarmerTy Posted December 16, 2014 Share Posted December 16, 2014 Those sesame seeds are just retracted polyps. Mine has done that before. How are your parameters? Only thing I can think of is to double check all parameters. If I had a wild guess, I'd say high salinity. Link to comment Share on other sites More sharing options...
Bpb Posted December 16, 2014 Author Share Posted December 16, 2014 Thank God. Only thing I've changed is the carbon addition we discussed earlier. Parameters checked yesterday have been the same for weeks. All 8.4 dKH, 440 ppm calcium, 1480 ppm mg, 2 ppb phosphorous, undetectable nitrate, 8.3 ph now, 79.8 degrees warm, 1.025. I'll just chalk it up to the stylo being irritated about something and expect it to bounce back. May remove the carbon tomorrow if it doesn't improve Link to comment Share on other sites More sharing options...
Reburn Posted December 16, 2014 Share Posted December 16, 2014 My forest fire digi did this same thing about a week ago. It just closed for about a day and a half. And it never ever closes. I checked all my parameters and everything was fine and in the end I just had to chalk it up to it getting irritated about something unknown. It did open back up and hasn't closed since. Link to comment Share on other sites More sharing options...
Sascha D. Posted December 16, 2014 Share Posted December 16, 2014 My pocillopora does that sometimes. I haven't worried about it. Link to comment Share on other sites More sharing options...
Neon Reefer Posted December 16, 2014 Share Posted December 16, 2014 They do tend to do this when feeding and capturing food from the water column. Mine do this when fed coral foods and when I clean the glass or stir the substrate as they feed on bacteria and algae alike. Link to comment Share on other sites More sharing options...
Bpb Posted December 17, 2014 Author Share Posted December 17, 2014 Looks right as rain today Link to comment Share on other sites More sharing options...
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