What is this? Safe?

[pingpangdang]

Originally Posted by taggermike

Most fish have structures at the junction of the stomach and gut call pyloric caecea. That's what's in the photo. Normal healthy fish. Mike

I was just about to post pyloric ceca after looking at fish anatomy....thx mike I feel relieved and I didn't have to use a lifeline to my mother in law's friend in japan who deals with fish.

Was worried about giving it to neighbors and friends for a minute.

Thx again for putting a nail in it