swallow gravel

My dinosaur Bichir recently swallowed a rock yesterday. It’s a small but noticeable lump in his abdomen. He is currently about 8 inches long and the width of my pointer finger. Should I wait to see what he does with it and if he spits it out? Or should I take action and if so what should that...

Is there any hope for bichirs who swallowed a piece of gravel? I purchased a 5 inch albino bichir from the fish store that kept it on gravel and didn't notice that it's had a lump on its stomach that won't go away. Is there any chance the gravel will pass through or can the bichir live a normal...