Channa Auramanticulata sexing

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The one on the right look like a male to me, very easy to sex them by visual look. The male one will have long extended dorsal fin and intensive color develop.
 
Much better quality from you video and yes they are both male, I would keep the active male near the front glass and get rip other one or setup another tank :)
That one is now running all around the tank from the 2-nd, and he (she) has more thin skull, more arrow like. I thought that this is one of sighns of a female ? or i am wrong ?

sry for my english
 
with aurantimaculata the males do havae a more narrower, more arrow shaped skull , while females have a rounder /blunter head. Males devolpope larger fins in
 
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