Could someone sex these two carpintis

[JcrockVA]

Im considering taking a carpintis from a friend but i need to know the sex.

First two are of the first fish and second two are the second fish

Sorry for the crappy quality its my phone.

Sent from my SCH-I510 using MonsterAquariaNetwork App

 

[gnuisance]

can't tell from those pics but a black blotch on the dorsal is the best way to sex that species. Blotch = female