Blake Posted February 7, 2021 Share Posted February 7, 2021 I have a 29 gallon freshwater cichlids tank and I noticed these tiny white worms in my tank right after I did a water change. What are they? And how do I get rid of them? Link to comment Share on other sites More sharing options...
Blake Posted February 7, 2021 Author Share Posted February 7, 2021 Link to comment Share on other sites More sharing options...
darkG Posted February 7, 2021 Share Posted February 7, 2021 My understanding is that those are likely Macrostomum. Ecology similar to snails like MTS. Harmless/beneficial, "invasion" likely due to too much food (detritus). If they suddenly are leaving the substrate, it may be that it's crowded but possibly indicating unfavourable conditions e.g. low oxygen. 1 Link to comment Share on other sites More sharing options...
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