I hate that the zoo introduced a school of generic African Malawi cichlids in here... I really have no idea which species are kept in here now apart from the few Madagascar cichlids left. The larger dull colored fish with the black spot at the center of the photo is a Paretroplus maculatus. There should still be some P. menarambo in here as well.
The Malawis are not large enough or clear enough to identify - although the pink and purple blotched fish with a long bodynear the bottom right looks like an OB male Labeotropheus trewavasae (generally called a Marmalade Cat).