Whats the life of Pi about

Life of Pi is the story of a young man who survives a harrowing shipwreck and months in a lifeboat with a large Bengal tiger named Richard Parker To illustrate how true and real the threat is, he forces the children to watch the tiger kill and eat a goat.

Explanation:

halibut, flounder, tuna, and trout are all fish. so your first answer is 1.) fish. and since fish is edible, your next answer would be 3). edible

to describe those fishes more thoroughly, some of those fishes live in fresh water, and some of the fishes live in salt water, and that is not a thing that they all have in common. the question is asking what is common with all of the fish, so answer choices 2). fresh water and 4). salt water are not right.