When Gerasim says: " It's God's will. We shall all come to it some day", He expresses that he is a believer. This is pretty much related to his spirituality.
Fast growing Salmon to me would be a freak of nature. Most likley some idiot put some steriods in the ocean, but also must mean something is happening with where they live and they are trying to adapt to what has happened.
Stout pretty much means strong. When added to the word brave, it's clear that "our hearts" face fear head on, with a strong, unfearing willpower.
A musical compact disc is an example of data storage.
