yep, what fish did you get, what are the other fish in the tank and how big is the tank?
I've had fish that have hidden for weeks and some right out of the bag are out and about. lol
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