Food and beverage outlets can prove to customers that live fish are used for take-out, including providing photos or videos of live fish, providing proof of the source of live fish, and providing inspection reports of live fish.

1. Provide photos or videos of live fish: Restaurants can show customers the real situation of live fish through photos or videos after ordering, including the type, size and color of live fish, so as to ensure that customers buy real live fish.

2. Provide proof of the source of live fish: Food and beverage outlets can provide proof of the source of live fish to customers, such as proof of the farm or fishing place of live fish, to ensure that the source of live fish is legal and reliable.

3. Provide live fish inspection report: A restaurant can entrust a professional organization to inspect live fish and provide customers with inspection report to prove that the quality of live fish meets the standard and there are no pollution or safety problems.