ID help

[Shenanigans]

I looked through the ID sticky and wasnt convinced I knew what mine is. Purchased as "pike cichlid", his anal and caudal fins are becoming yellow. His dorsal is lined with a vibrant red, and red is begining to develop on his sides a little past the pectorals. Currently just under 4"

 

[Rocksor]

Crenicichla sp belly crawler like the one is this thread

http://www.monsterfishkeepers.com/f...438732-Crenicichla-sp-quot-Belly-Crawler-quot

 

[Shenanigans]

Yep, thats my guy and I was able to find plenty of info. A question I have always had was in regards to max size. Most info on the net suggests 4-6", but a few members here claim over 9". Internet data always underestimates a realistic max and mine is already around 4". Given proper care, what should I realistically expect for a maxed out size? I do believe mine is female