Abstract: A fish mobile structure adapted to be displayed in a windy environment, such as near an open window or in a patio area, or the like, is disclosed, including a plurality of segmented portions collectively forming a fish body structure, each of the segmented portions being joined in spaced-apart relationships to one another by a plurality of strings, a plurality of fin structures secured to portions of the fish body structure by means of strings and disposed in spaced-apart relationship thereto, and weights secured to the segmented portions to maintain the fish body structure in a vertical arrangement and to draw the strings taunt to allow and encourage pivotal movement of the various string-joined together portions of the mobile when such are moved by wind currents flowing thereabout.