If your query refers to a different topic, "sharking" can also describe: Marine Tourism

: Japan has a rich marine biodiversity, including various species of sharks. High-quality documentaries and educational videos about sharks can be found on platforms like YouTube, National Geographic, and educational websites. These often feature stunning footage of sharks in their natural habitats, including around Japanese waters.

It’s possible the term refers to:

By engaging with these resources and seeking out high-quality sharking videos, you can join a community of like-minded individuals passionate about shark conservation and education.