I have one African Cichlid in an Eclipse 12 gallon- Just the other night, I noticed him hiding in the cave, at the time I didn't have a heater. I put a heater, and he seemed to be thriving, being more active.
However- I noticed that night a worm- half of an inch- appears white- squiggling around in the water. It looked like it was adpated to water, for it got around fine, but my Cichlid payed no attention to it.
I thought he would eat it.
I haven't seen the worm since.
What should I do?
What is it?