Who should own the pearl?

It should be given to Mr. Zhang, because the pearl is ownerless at this time (not the fish’s interest). Mr. Zhang has formed a contractual relationship with the hotel. According to the transaction custom, he eats first and pays later, so Mr. Zhang is right The fish enjoys ownership and naturally has the right to preempt the pearls in the belly of the fish. The waiter only serves Mr. Zhang and does not have the right to preempt. Xiaoping has no civil legal relationship with any of the parties in this case, so she does not have the right to preempt it. Right of first possession.