Sponge

Kidderic

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Hi all.. I have posted on a couple other boards.. Can't figure it out.. This stuff grows mostly under my rocks.. Also on the edges.. Looks grey.. Has a structure.. Will hang down.. Brushes off real easy.. I have been brushing it off and now seems to be spreading.. Any ideas??
c7a21c2984a3abe973592992d40cf4da.jpg
048101a7df7eccd28b92272d246376fb.jpg
1601425f3eb60d5a58c7f9e10de4f46e.jpg
 
There's a bryozoan (Crisia eburnea) called a Bushy Gray Bryozoan. I'm going to see if I can find some sensible pictures of it. As with a lot of bryozoans, a google images search turns up many odd looking critters.
 
Does it look anything like this? In the wild they often thrive and are plump. In our tanks, they don't look so healthy, often have a lot of detritus and fall apart easily.

criebu.jpg
 
It does look so think.. Mine looks like a thin mat or something.. I don't have leds.. Hard to describe
 
I see little tubules, so it probably a sponge..... but it could also just be little bits of sponge living amongst whatever the gray stuff is.

About the LEDs.... I just saw little circles of color when I was photoshopping your picture and I was curious if it was the overhead light or the rock itself.
 
No worries.. Thx.. stuff is bugging me.. Did a water change today and will do another one on sun.. Guess scrub it and see what happens.. Can't get worse.. At least I don't think so
 
It could be.. Looks grey/white but like I said a lot is under rock and in shady areas.. So not sure.. But more has been showing up on the top of rocks now too.. Brushes rt of.. What floats around is depending how much comes off .. It's not a dust that just dissolves rt away..
 
I have been trying to identify this in my tank for a long time! What is in the picture above, the bryozoan Crisia eburnea?
Here is what is in my tank (please look over the bubble algae):
ImageUploadedByREEF2REEF1465611483.952088.jpg

ImageUploadedByREEF2REEF1465611505.564344.jpg

ImageUploadedByREEF2REEF1465611521.537138.jpg
 
Hi all.. I have posted on a couple other boards.. Can't figure it out.. This stuff grows mostly under my rocks.. Also on the edges.. Looks grey.. Has a structure.. Will hang down.. Brushes off real easy.. I have been brushing it off and now seems to be spreading.. Any ideas??
c7a21c2984a3abe973592992d40cf4da.jpg
048101a7df7eccd28b92272d246376fb.jpg
1601425f3eb60d5a58c7f9e10de4f46e.jpg
Look up Calothrix
 
Image #3 shows an aiptasia as well.
 

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