A Preliminary Comparison of Two Strains of Stocked Muskellunge in Lake Monona, Wisconsin

摘要

The Muskellunge Esox masquinongy is managed as a trophy species in Wisconsin. Potential growth and ultimate size of individuals are assumed to be controlled in part by genetics (Margenau and Hanson 1996; Miller et al. 2009). Selecting genetic broodstocks that provide high ultimate size, as well as good survival of stocked fish, is desired by stakeholders and fish mangers to effectively manage for angler expectations. Choosing the best performing genetic stock for lakes where protecting naturally reproducing populations is not a concern (Jennings et al. 2010) will allow managers to provide the best opportunity for anglers to catch more Muskellunge of trophy size (>50 in [1 in = 2.54 cm]; Wingate and Younk 2007). Concerns have been raised that Wisconsin broodstock populations do not have the capability to produce the expected trophy-sized fish in stocked waters.