. The Canadian field-naturalist. Figure 1. Blackfin Cisco, Coregonus nigripinnis. (Drawing by C. E. Douglas, courtesy D. E. McAllister, National Museum of Natural Sciences.) protected (B. Swanson, Wisconsin Department of Natural Resources, Bayfield, Wisconsin, personal communication). Coregonus nigripinnis is listed as endangered by the State of Michigan (Endangered Species List, February 1983 — pursuant to Public Act Number 203) and is legally protected from collection. However, the United States Fish and Wildlife Service (USFWS) has listed the species as extinct (J. Engel, USFWS, Division of
. The Canadian field-naturalist. Figure 1. Blackfin Cisco, Coregonus nigripinnis. (Drawing by C. E. Douglas, courtesy D. E. McAllister, National Museum of Natural Sciences.) protected (B. Swanson, Wisconsin Department of Natural Resources, Bayfield, Wisconsin, personal communication). Coregonus nigripinnis is listed as endangered by the State of Michigan (Endangered Species List, February 1983 — pursuant to Public Act Number 203) and is legally protected from collection. However, the United States Fish and Wildlife Service (USFWS) has listed the species as extinct (J. Engel, USFWS, Division of Endan- gered Species, Minneapolis, Minnesota, personal. FIGURE 2. Distribution of the Blackfin Cisco, Corego- nus nigripinnis: (I) Extant (Clarke and Todd 1980); (2) Reported by Koelz (1929) as Coregonus nigripinnis cyanopterus. Clarke and Todd (19X0) consider there to be no valid records for Lake Superior; (3) Extirpated (Clarke and Todd 1980); (4) Reported by Koelz (1929) as Coregonus nigripinnis prognathus. Clarke and Todd (1980) consider there to be no valid record for Lake Ontario. communication). The State of Michigan is now considering removing the species from the State Endangered Species List (S. Taylor, Michigan Department of Natural Resources, Lansing, Michigan, personal communication). Illinois, Indiana, Wisconsin, Minnesota and New York consider Coregonus nigripinnis to be extinct (in state waters) and is therefore not legally protected in these jurisdictions. Commercial harvest quotas or effort restrictions for deepwater ciscos as a group are in effect in Illinois (R. Hess, Illinois Department of Conservation, Zion, Illinois, personal communica- tion) and have recently (1984) been instituted for the Ontario waters of lakes Superior and Huron (R. Payne, OMNR Lake Huron Fisheries Assessment Unit, Owen Sound, Ontario; W. MacCullum, OMNR Lake Superior Fisheries Assessment Unit, Thunder Bay, Ontario, personal communication). The deepwater cisco fisheries in Michigan
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Keywords: ., bookauthorottawafi, bookcentury1900, bookdecade1910, bookyear1919
