feinhorn
Aquarium Advice Regular
My larger oscar is bitting and chasing my pleco around the tank. This only started two days ago to my knowledge. I watch my fish frequently and have never observed this before. My smaller oscar does not mess with the pleco at all. Also I have noticed that my smaller oscar has a pretty large gash in his back, I don't know how this happened. I really hope that the bigger oscar is not a bully. Any ideas?