Something growing on frogspawn

[Phillyd1990]

Not really sure what this is. I took the best pic i could of it. If someone could help me identify it that would be awesome! Its that white spot down below.

 

[KJ]

Sponge.

 

[Phillyd1990]

Ok. Nothing to worry about im guessing. I wasnt sure if it was somthing that could be harmful. At first i thought it was a new head until it got bigger.

 

[needbiggertanks]

Sponge.

Looks like that to me too