Originally Posted by The_Desacrator
OK so recently my pleco has been trying to suck on the sides of my goldfish from time to time. What should I do?
1. is your goldfish healthy? those suckers will suck onto any fish if the fish is sick to begin with.
2. how old is your pleco? how long is it? as pleco ages, it becomes more aggressive and its diet becomes more meaty. that's also another reason why your pleco might be attacking your gold fish