A review by bickie
The Aquanaut: A Graphic Novel by Dan Santat

4.0

A group of sea creatures observes the sinking of a research ship and the drowning of one of the researchers. The surviving brother of the researcher keeps his brother's vision alive by running a seaside marine park; however, as funds run short, he is coerced into exploiting animals such as an orca for patrons' entertainment. When the Aquanaut

Spoiler

(the group of sea creatures who can understand humans but cannot speak English themselves, who have inhabited an old sea diving suit)

shows up at the marine park, the dead researcher's daughter interacts with him, setting off a chain of events that results in her and her uncle's rethinking how they want to live the rest of their lives and how best to honor the dead researcher's wishes.