The ornamental design for an accessoryrack for a pontooned fishing float tube, as shown and described.
FIG. 1 is a top, front, right side perspective view of an accessory rack for a pontooned fishing float tube showing my new design having a single arcuate rack portion using integrally formed members.
FIG. 2 is a bottom, back, left side perspective view thereof.
FIG. 3 is a front plan view thereof.
FIG. 4 is a back plan view thereof.
FIG. 5 is a top plan view thereof.
FIG. 6 is a bottom plan view thereof.
FIG. 7 is a right side plan view thereof; and,
FIG. 8 is a left side plan view thereof.
Shading lines are used to show solid structures and are not intended to indicate surface decoration.