question: my pleco have begun to suck the surface of the tank. she is not sucking air but appears to be eating. I do twice weekly water changes and all of the fish look very healthy and active including her. I have had her for a few years and she is about 12". is this something I should be concerned about?
new behavior
- Thread starter celebrist
- Start date
Not concernin, some plecos learn that the surface is where the food comes in, and just wolf in the food
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