Pi wakes up feeling good. He decides to fish with some of the lifeboat supplies.
He doesn't have much luck at first: the fish keep making off with his "bait" which, actually, is only bits of a shoe.
Suddenly, a school of flying fish pass over the boat. It's manna from heaven! Pi gets hit in the face, fish are flopping around, and RP is a master yogi at one with himself as he bats these things into his mouth.
Pi kills one of the flying fish and feels guilty. (He's been a vegetarian his whole life.) He decides to use the flying fish as bait. It works!
With his snazzy new bait, Pi catches a dorado, which is much larger than a flying fish. He kills it. We think this is one of the most beautiful passages in the book.
Pi throws the dorado to RP and blows the whistle to remind him who provides him with such tasty meals.