I think so there is a small tube but the anal fin so I need to change to male don't want to keep pair that just asking for trouble
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100% male. That "tube" is a sperm tube not an egg laying tube I bet if you look at it closely it looks more like a thorn sticking out than a straw sticking out.
The marks you see on the tail before that saum are only found in males. Fin length isn't a proper identifier until adulthood.