The ornamental design for a fishingtoolsheath, as shown and described.
FIG. 1 is a perspective view of a fishing tool sheath according to the present invention.
FIG. 2 is a front view of the fishing tool sheath of FIG. 1.
FIG. 3 is a rear view of the fishing tool sheath of FIG. 1.
FIG. 4 is a left side view of the fishing tool sheath of FIG. 1.
FIG. 5 is a top view of the fishing tool sheath of FIG. 1.
FIG. 6 is a bottom view of the fishing tool sheath of FIG. 1; and,
FIG. 7 is a front view of the fishing tool sheath of FIG. 1, the broken line showing of the fishing tool is included for the purpose of illustrating and forms no part of the claimed design.