sentences:  Measures to protect the lake's sport fishery include special size limits for the lake, and the requirement that all fishing lures must have barb-less hooks.Although these measures seem to have been successful, the lake still produces very few trophy fish.Few of the other smaller lakes and ponds that surround Madge Lake support fish populations because of winter die-off, but Jackfish Lake, located 500m south of Highway 57, has been stocked with rainbow trout and tiger trout and is aerated to support the oxygen levels under the winter ice.