>>7789252 lb
Here's another keystone.
"Antarctic krill resources, a keystone component of the Antarctic ecosystem"
Found this site, Commission for the Conservation of Antarctic Marine Living Resources, by digging on Leonardo DiCaprio.
https://www.ccamlr.org/en/organisation
https://www.mnn.com/earth-matters/wilderness-resources/blogs/help-leonardo-dicaprio-and-protect-antarctic-marine-habitat