Why Does Your Corydoras Catfish Keep Hovering Near the Filter? (+7 Theories)
Is your Corydoras catfish spending a lot of time near the filter, leaving you unsure if something might be wrong? Corydoras catfish often hover near the filter due to strong water flow, increased oxygen levels, or comfort from the consistent current. Other causes may include stress, illness, or seeking warmth in slightly heated areas. There … Read more