oscar behaviour

I have a 150 with a 14 inch aro 6 inch Oscar and 2 parrots. I used to have two other blood parrot however my Oscar is the main aggressor in the tank. It used to bully my Arowana and would hip his fins and tear them however my Arowana grew some balls and the Oscar doesn’t try him anymore. My two...

Hello everyone, please only respond if you have experience on the matter, thank you for your time tank set up size: 180 gallons fish: 1 Adult Oscar fish, 7 silver dollars, 1 Adult pleco, 1 Adult bichir water parameters: PH 7.1, Ammonia 0ppm, NO2 0ppm, NO3 0ppm filtration system: UV filtration...

Hi this is my first post on this website and I’m posting because I want to keep my fish safe. I have 4 oscars (2 6inch and 2 3inch), 2 severums, and 2 common plecos in a 125 gallon. The 2 6inch oscars grew up together in the 55 until my black tiger started picking on the albino pretty bad to...

Hello, was hoping to get a discussion going on what people recommend for Oscar stocking and how it effects personality. I'm looking in to setting up a 240g(96x24x25") in the near future and can't decide on how many Oscars I should get. I've had one in the past and he was the only thing living in...