Are These Snail Eggs?

[Alienfish05]

Ill attach a picture.. I recently noticed some baby bladder snails in my tank a couple months after adding some plants.. I then noticed these balls on the bottom of my tank Heater.. I'm a beginner.. And I didnt notice when I set it up if those were there....or are these bladder snail eggs?

 

[Andy S]

I'm not an expert but the majority of snails lay clumps of eggs in what looks like jelly. These look far more like fish eggs to me.