The mandarin will eat all day long, so no need to really worry about her. I feed in the morning, about a half hour after I put the lights on. I do feed my cube twice daily because of the scooter and manadrin that are in there though. But thats an exception.
180g- Mostly BIG fish and some coral. ~80g Nuvo- My coral tank with "happy fish"~ 90g- FOWLR Not the not happy type of fish~ 125g- Freshwater Malawi Cichlids ~10g- Nuvo- The refugees from the Ich of '18