Agreed those are adult and juvie C. Gachua, nice little dwarfs. They are very adaptable to just about any conditions but you'll see the best color out of them in cooler sub tropical temps with sumer/winter varration. An unheated tank in eastern canada works out quite well.
There is a ban on owning any channa sp. in Quebec and althought these bans are often loosely enforced i would advise your buddy not to advertise it online.
There is a ban on owning any channa sp. in Quebec and althought these bans are often loosely enforced i would advise your buddy not to advertise it online.