south american fishies

Hello! I recently went on a trip to Peru and, while fishing, I caught and released these pike cichlids. I've been trying to identify them and I have a good idea on some of them but I was wondering if anyone could offer any suggestions! Any help would be greatly appreciated!

Hi! Thought I'd quickly introduce myself - I'm from Canada, and been keeping fish in a minor way since I was a wee sprout in grade five, & me dear ole Mum an Da got me a twenty gallon for Chrismus. Though I've long since matured past clown puke and plastic plants, I haven't moved on from my...