PROBLEM TO BE SOLVED: To provide a sinker for fishing, unlike conventional one causing health hazard to death such as lead poisoning when eaten by waterfowl, or the like. ;SOLUTION: This sinker for fishing is characterized by being made by encapsulating iron sand or iron powder 2 or ion particles or iron balls 3 in a bag or a receptacle 1 formed of a resin biodegradable in freshwater, seawater or soil. The sinker is degradable in water or soil, causing no health hazard when eaten by waterfowl, or the like and, safe for wildlife and has function as a safe sinker causing neither water pollution nor environmental deterioration.;COPYRIGHT: (C)2001,JPO
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