hi
that looks like a really young channa barca and it isnt possible to distinguish them till they attain sexual maturity...... ull have to wait a while itll be easier when its above 15 inches or so
Bro, you need take a look to genital area of the fish, you will find 2 holes that's male and one hole that is female, of course both have two holes but the female doesn't seems to be like two holes