longnose butterfly

Got a butterfly fish in quarantine for only 2 days and it died all that’s left now is coral beauty still alive with copper at 1.0. Seems like butterfly fish are very hard to keep alive when shipped. They just get to stressed can get hurt and obviously won’t eat. As well coming FROM PETCO and not...

I am getting a long nose butterfly online from Petco and want to know what to do with quarantine it for 2 weeks with copper. They are sensitive fish and not sure if they would be able to tolerate copper for that long. As well getting a coral beauty with it as well. Not worried about the coral...

Seems like I'm having trouble nowadays. The longnose butterfly i just got is breathing hard. It's kind of just hanging out at the top left corner. Is it scared? Or is there an underlying condition? No marks on the body. The LFS said it came from a salinity of 1.026. My tank is 1.024 to 1.025...