N.Y.C. Admin. Code § 19-168: § 19-168 Fishing from public bridges.

(a) The commissioner shall be authorized to post on any public bridge within the city, signs prohibiting fishing therefrom. The commissioner shall post and maintain such signs on bridges selected at his or her discretion.

(b) It shall be unlawful for any person to fish, by any means whatsoever, from any public bridge within the city where a sign prohibiting such conduct has been posted.

(c) Violation of this section shall be punishable by a fine of not more than fifty dollars nor less than fifteen dollars for each violation thereof.