Clown Trigger suddenly got strange eating habits

Mantiss

New Member
I have a Clown Trigger all by himself in a 75 gallon for three years. I've been feeding him krill and Formula 1 back and forth. I few weeks ago they were out of Formula 1 so I tried some plankton cubes. He ate them for a couple days but then started acting funny around food. He wouldn't eat the plankton or krill. Eventually I obtained more formula 1 and he eats it for the most part but is weird about it. Sometimes he'll pass pieces up and a lot of times he'll go to bite a piece and either back off or act like he's trying to get it but can't see it or is missing it. He acts normal for the most part and acts hungry but when I feed him he gets weird. I noticed a few days after he ate the plankton he pooped out a long neon yellow looking thing.
 
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