Help ,My new goatfish in quaratine tank is not eating!!!

[lost1st manty:(]

It is a spotted goatfish and I got it for cleanup duty for my 150 gallon predator tank, i am worried as she is not remoately intrerested in any food, I have offered her literally a gourmet of choices, occasionally she will take some in her mouht and then spit it back out, she is getting skinnier evereyday, besides this she has been doing fine actice and slunky, any suggestions> thanks very concerend

 

[lost1st manty:(]

I am hoping they din not use poison or cyanide to capture her which i heard

I am hoping they din not use poison or cyanide to capture her which i heard

is a common practice harvesting specimans for trade