Folk Art Fish Decoy Blue Spots Unknown Maker or Region or Species

Could anyone please help me out in finding out any additional information about this piece:

Age? Maker? Target Species? Where was it made? What region was it used? Value? Any additional information would be greatly appreciated.

This decoy is hand painted and made of wood with a heavy weight on the fish's belly. Other than that nothing, is known about this piece of art.
Length: 7 1/4"
Height: 2 1/2"
Body Width : 1 1/4"
Fins Width: 2 1/2"

Weight: 5.5 oz