Oscars

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Scott4462

Feeder Fish
MFK Member
May 14, 2022
5
9
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Okay I have two full grown adult Oscars around 2 years of age I have an albino and a tiger, the albino Oscar as of late has been showing extreme aggression toward my tiger keeping it hemmed in the corner picking on it day and night the water is good I do 2 50% water changes every week. All the levels are good I'm feeding them pellets along with bloodworms shrimp and earthworms so their diet is great. Does anyone have any ideas how to stop the aggression before I lose one of my Oscars.
 
How big is the tank?
When cichlids are young they tend to respond to tankmates much better when they are mature. Oscars are more social than some other cichlids, but in a small enough tank one can easily claim the whole aquarium for itself.
 
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Usually, once a fish targets another like that and in those circumstance about all you can do is separate them. Especially if they've already been in the same tank for some time, it's not like introducing a new fish and hoping things calm down after the other fish gets used to it and, unless you had quite a large tank, it's not like you can 'add more to the group' to disperse aggression among the group.
 
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