Eating or Helping?

[Lee Pedersen1]

The newborns are either cleaning or chewing the side of my white Molly out I’m gonna be moving the newborns but I wanted to know if this was something someone has dealt with.

[Lee Pedersen1]

Also in the last week I’ve gotten a lot of this type of growth on my plants and I would like to know what this is as well.

[Colu]

It could be like discus were their getting some nutrition by feeding on the slim coat I haven't kept Molly's in 20 years so maybe someone with more experience can chip in I think that's stag horn algae in the second pic