The theme and appearance are different. According to the inquiry, the medical insurance network shows that.

1. Cross-mountain crucian carp is small in size and has spiny fins on its back, belonging to CYPRINIDAE. Can crawl on land.

2. Tilapia has scales on the lateral lines of the upper and lower segments, developed dorsal fins, starting from the rear edge of gill cover and ending at the front end of tail stalk, and long pectoral fins, belonging to Perciformes.