Try 55 gallons for the first oscar then 20 30 gallons more for each additional fish.
Oscar fish tank mates list.
Dempseys are also the good tank mates for your oscar.
Keep them well fed and provide some big rocks and caves with plenty of water volume and a good size aquarium and you ll have no issues finding suitable tank mates for tiger oscars.
Opting for a larger tank can reduce some issues related to aggression try to keep a tank that is at least 75 gallons in size.
The oscar fish can be a handful to manage once you have them in your tank but if you provide them with the right conditions and tank mates then it can be much easier to handle them.
Some are aggressive and some are timid.
In addition oscar is a raptorial feeder that should be kept in a separate tank with its couple match or in a very large tank with large tank mates.
Chocolate cichlids are peaceful in nature which prove them a better tank mate for your heavy oscar.
If you are positive that this is the fish you want go ahead the fish is easy in care and soon you ll have a nice smart and almost pet.
Oscar fish will grow to over 12 14 and need a large tank.
But they are compatible tank mates for your oscar.
Their aggressive nature can cause tank mates to live in fear assuming that they haven t already been eaten.
Remember that you can t put any fish in with an oscar you ve got to choose fish that will be able to live in harmony with your oscar.
Unfortunately as docile as oscar fish are around humans they can be relatively aggressive when raised in a tank.
Most of the fish i am going to recommend as tank mates will require a minimum of 50 gallons just for themselves not including the oscar.
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Picking tank mates that are appropriate keep in mind that you can t put any fish in with an oscar you must pick fish that will have the capacity to live in congruity with your oscar.
As a result you need to make sure you select your tank mates and the tank itself quite carefully.
The majority of the fish that i have suggested as tank mates will require at least 50 gallons just for themselves excluding the oscar.
However don t get upset.
Choosing tank mates that are suitable.
