Chromis dropping like flies? Help

[Djanglian]

My four chromis all of the sudden has just stopped eating and is staying in the corners (tops and bottoms) 2 have already died and 2 have just stopped eating. All of my other fish are healthy and eating as normal, does anyone know what could be the issue????? HELP!

 

[scuzy]

Do they have scars? If so might be uronema

 

[CStrickland]

Like scuzy said, uronema is common. Also, they'll fight over territory. It's common for chromis to kill each other off especially if your tank isn't big enough. They don't like to share sleeping spots.

If you want more, better advice, give us some more info about your tank. Water parameters (sg, ammonia, nitrate, alk, and temp is a good start); how big is the tank; what other fish do you have; etc. Otherwise it's a shot in the dark really.