We are slowly filling in the blanks in terms of understanding Dolphin communication. They will become our allies in the Oceans I expect.
They certainly have sufficient mental equipment and their own language thus self teaching also becomes possible. This has been a dream for a long time and there is much to be done.
In the meantime we need to end the despoliation of our oceans once and for all. Unfortunately that will not happen soon.
Dolphins Have Human-Like Intelligence and Their Own ‘Language’