who own ponds which they have stocked with trout, and which they sell
for $1 apiece; and this price they often receive even when the buyer as
sportsman catches them himself. The profits of fish raising lie in the
fact that fish are prolific to an extent vastly greater than any other
creatures used for human food, the female sometimes laying as many as
150,000 eggs. There are owners of trout preserves who receive as high as
$25 a day from sporting clubs for the exclusive use of their ponds.