- The gudgeon is a small fish of the carp family.
- It is about eight inches long.
- The gudgeon has a narrow, cylindrical body with a small barbel or feeler at each corner of the mouth.
- It is distributed throughout the fresh waters of Europe.
- Gudgeons keep close to the bottom of the streams or lakes. They are very easily taken with the hook and with any sort of bait.
- In popular usage, a gudgeon is a person easily deceived—one who swallows a bait readily.