Maybe some sort of snail eggs??

[Auto-pilot]

Hey was curious what there are. They are hard and seem to have popped up a couple of places. It isn't bubble alge(or at least I'm pretty sure it's not). I crushed one being curious.

 

[Bob Loblaw]

Bubble algae.

 

[James M]

^^^^ agree

 

[Oscaror]

Bubble algae.

Sadly this

 

[Auto-pilot]

I've had b

Sadly this

Noooooo!! Take back!!! Take it back!

 

[Hexabonal]

Sure looks like bubble algae. Get an emerald crab.

 

[c.poindexter]

Bubble Algae, no doubt.