I got these clownfish from an LFS. The problem now is that they are not eating for a week now. I seen one of them take some froozen shrimp and then spit it right out. They are also getting skinnier and have some see-thru poop hanging from their anus. Anyone has any advice what to do or should i just lay them to rest? They also basically swim in one spot wobbling back and forth in that spot.