Pilot Fish
Naucrates ductor, a bluish color, marked with from five to seven broad, dark, vertical bars. It name to its habit of keeping company owes its scientific and popular English with ships and large fish, generally sharks. It obtains a great part of its food from the parasitic crustaceans with which sharks and other large fish are Pilot fish often accompany ships into harbor.
Missouri, about 86 miles S. W. of St.