The Ontario Ministry of Natural Resources (OMNR) manages Ontario’s commercial fisheries under the bi-national Great Lakes Fisheries Commission (that joins USA and Canada resources research and management) and different state agencies, the Ontario Commercial Fisheries Association (OCFA), the Ontario Fisheries Resource Centre and Aboriginal fishers (ECO, 2011). However, a stock assessment is not performed for White perch.
According to a biological survey in the western basin of Lake Erie (Ohio and Ontario), currently young-of-year is above the long-term average (1,020 fish), at around 1,170 fish (number/hectare). Besides, White perch is considered to be one of the most abundant invasive species by Kocovsky et al. (2011) and also by ODW (2012), in result of a survey conducted in Ohio’s portion of Lake Erie.
Landings reached 6,940 tonnes in 1991, decreased to around 0,300 tonnes in the late 1990s and increased until 2005, at 2,350 tonnes (Baldwin et al., 2009).