MTS egg sack?

[Aussie_Bristle]

Hi all
Noticed this on one of my little guys last night... egg sack?

 

[Essjay]

MTS don't lay eggs, they are livebearing snails. I don't have a clue what is attached to the snail in the photo

 

[FishGuest5123]

I agree. MTS are livebearers. Is that the snails itself? Something’s not right.