Mysterious Things on Rock

[ReefinND]

Can anyone help me identify what these may be, I've noticed they've started showing up in the top of most of my rock. This evening is the first that I've noticed them.

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[Valentini89]

Looks like cocoa puffs to me.. I'm stumped.

 

[ladynavyvet]

Bubble algae?

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[GageLSX]

Looks like bubble algae dont pop them or it will spread.

 

[alcimedes]

can you take a less blurry photo with the white lights on as well? It might help. They're a bit more uniform in size than I'd suspect for bubble algae, but can't think of anything else that would be a better match.

 

[Sugar Magnolia]

Nerite snail eggs.

 

[mcgyvr]

Aquarium Photography Rules 101
#1-Turn the blue lights way down or off..
#2-Make sure that the photo is in focus and clear.
#3-Don't post a picture until its clear/in focus/not looking like an acid trip or bottle of windex on crack...

 

[ReefinND]

Sorry, just snapped some quick ones with my phone and had to step out of the house; completely forgot I made this and didn't get a chance to really look at the photo.

I'll try and grab some when i get home again.

Nerite snail eggs.

I do have a decent population of them, so it could be. Actually, something interesting is that I haven't really seen my nerites for awhile then all of the sudden I seen them all over in that area.

 

[ReefinND]

Actually, after doing a quick google search of snail eggs I'm pretty sure that's what those are.

 

[mcgyvr]

From what I see in the pictures those objects you have look too "round/3d" to be nerite snail eggs..
Nerite eggs don't have much "height" them..

 

[neoh74]

hard to tell from the photo but could also be pineapple sponges?

 

[ladynavyvet]

Having, or going thru a pineapple sponges outbreak, I'd say it's looking just like what's going on in mine. No need to worry, at least that's what I've been told.

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[AT_Hiker]

+1 on nerite snail eggs.