The dolphin and shark feeding shows you mentioned all take place in the aquarium. They are free. Just check the time and location in advance. The combo ticket includes the zoo and aquarium, which have separate fees. This means you need to purchase a separate ticket to the zoo, such as the Panda House, which has a separate fee.
I bought a joint ticket for the Beijing Aquarium and Zoo. Can I watch everything after entering?
Introduction I bought a joint ticket for the Beijing Aquarium and Zoo. Can I watch everything after entering? The dolphin shows and shark feeding shows you mentioned all take place in the aquarium.