Mating oscar!???

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How have you determined the sexes? Oscars don't reach sexual maturity until they are around 18 months old which would make them roughly 10-12 inches. What size tank are they in?
 
They are monomorphic which means there is no way to visually sex them, there is no way you can know yours is a male. They only true way to ID is them laying or fertilizing eggs which is a long ways off.
 
Put pickles and ice cream in the tank, if one eats it she's a pregnant female..

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Put pickles and ice cream in the tank, if one eats it she's a pregnant female..

Sent from my SAMSUNG-SM-G900A using Aquarium Advice mobile app


Or you could put a model muscle car in it and the first one to get to its a male.


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I read online that you can tell by the anus and spike but ****. ill just pass on breeding them lol.
 
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