Fish not eating

Question
Hey, I've had a clownfish for like two weeks. He was eating normally before, then he had the white kinda stringy poop. I heard it was a parasite or something like that but by the time i got the medicine, it went away. Now he just doesn't eat anymore. He just looks at the food and ignores it, i feed frozen brine btw. I also have an anthias which isn't eating as well.

He was in the tank for 3 days with an agressive fish and i didn't know he and his mate was being harassed (the mate died from being harrassed). I returned the aggressor and i think he is traumatized. He comes out a few times then goes bad to hiding. I fed him once when he was out but he also ignored the food (again frozen brine). Should i try different food or is it something else that is causing them to not eat. I have three other green chromis and they have a vicious appetite. So not all fish are effected.
Thanks

Answer
Hello Arthur,

It would be hard to identify with the infor you have given, but, I would suggest trying different foods for right now.

If you want, you can let meknow more about your system, like how old it is,  what the water peramters are, what your routine mainteance consists of...etc...

Let me know, and if possible we can work this out...

good luck


bill