java fern plantlets

So my java ferns are starting to produce little plantlets on their leaves. I don't know whether this is a last attempt to get some offspring before they die, or because they are flourishing in my aquarium and are thus healthy enough to produce offspring. They do have some brown spots on their leaves, but apparently that's normal for java fern, so I don't know...

For now, I'm just happy to have baby plants and hopefully I'll be able to pluck them off the mother plant soon, so I can try to plant them.