. " (14) Conviction or convicted means adjudication at trial or civil hearing and includes the entry of a plea of guilty, or nolo contendere, or the forfeiture of bail or collateral deposited to secure a defendant's appearance in court. (15) Crustacean means all forms of crabs, shrimp, crayfish, stone crabs, lobsters, and any other motile fish having a chitonized shell excluding snails and hors" . . . .