Is it a male or female

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Oscars are notorious for being difficult to sex. You probably won’t know the sex unless you see a female on eggs or you vent it.
 
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Thanks for your help I had watch some YouTube video on them but they were really no help
 
Thanks for your help I had watch some YouTube video on them but they were really no help
Your Oscar still looks fairly small 4 inches roughly.
I would wait until it is 6 plus months old and then try to get some clear shots of the vent area and post them here for other people to assist.

the pics need to be clear and not just an unfocused pic of the vent area.
 
Got him two months ago is about 5-6 Inches was 4 inches when I got him
 
A way to calmly get a vent pic is to tease them with food so they are virtually swimming straight up.
Original pic20171221_010658(0).jpg
Zoomed in 20171221_210714.jpg

In males these two holes are nearly the same size. Females the back one (the hole closer to the tail) is bigger as it's the egg tube inverted inside her till needed.
 
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