plastic coins

So I just finished feeding, arrowana has a belly full of crickets + A DAMN RUBBER BAND Small one for bags from lfs. Arrowana is about 10” I know he ate it for sure!!! What should I do? And if at all will it pass eventually or is this a death sentence????? Super sad right now

Has anyone seen plastic coins? They have them here in Transnistria!!!. Yes, Transnistria has plastic coins: 1, 3, 5, and 10 rubles. It's real money. He He. I was kind of surprised to see them when I moved here. But now I use them all the time. They are pretty durable. No scratches so...