earchworm as cleaning crews?

[ssapssaebi]

Hi everybody!
I have one encolsure for my spectral pygmys.
Yesterday, we have heavy rains and at night there were so many night crawlers coming on my backyard.
I know earthworms make the soil rich, so I just picked 3 of the smallest and put them in my enclosure. Also I gave one to my wild Betta Bellica.

anyway, what do you think guys?
Any harm or disadvantage?

 

[morpheon]

Interesting question.

If you had some Pardalis, Calyptratus or Parsonii, i'd say no problem. But, since Pygmy are living almost on the bottom of your enclosure, i don't know if they can be stressed by them.

So i will look forward other opinions as well!