White, small, flat, round thingies! ID please!

[Manta034]

Does anyone have an idea what these things are? I first noticed them on my conch shell and then began seeing them on my rock. They could have been there the whole time and I just didn't notice them until now so I'm not sure if they're spreading or not. I sure hope not! Any info is appreciated! Thanks!

 

[funkejj]

Nerite snail eggs, they are harmless, some say they wont hatch and if they do they wont grow. I can attest some will make it. I had 5 nerite snails 6 months ago and have a couple of dozen now.

 

[Manta034]

Awesome! That's pretty cool. Thanks for the response!