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Kiyi About this fishAdult Size Range: 18 - 35 cm (7.1 - 13.8 in)
Habitat: Kiyi (Cisco species) are found only in the Great Lakes between the United States and Canada. They are commonly found in Lake Superior but are rare in Lake Huron and Lake Ontario and endangered in Lake Michigan. Although they are occasionally found in shallower waters, kiyi prefer waters of at least 108 m in depth.
Fun Fish Fact: Kiyi have large, silvery scales with pink or purple iridescence.
Science Institute for Educators
© MNDNR C. Iverson
Fall Stomach Key
Copepod
Daphnia
Spiny Water Flea
Mysis
The stomach content make-up and ratio in this image represent data from “An Evaluation of the Importance of Mysis relicta to the Lake Superior Fish Community” (2010). A thesis submitted to the faculty of the Graduate School of the University of Minnesota by E. J. Isaac.
© MNDNR C. Iverson
Science Institute for Educators
Science Institute for Educators
Kiyi About this fishAdult Size Range: 18 - 35 cm (7.1 - 13.8 in)
Habitat: Kiyi (Cisco species) are found only in the Great Lakes between the United States and Canada. They are commonly found in Lake Superior but are rare in Lake Huron and Lake Ontario and endangered in Lake Michigan. Although they are occasionally found in shallower waters, kiyi prefer waters of at least 108 m in depth.
Fun Fish Fact: Kiyi have large, silvery scales with pink or purple iridescence.
© MNDNR C. Iverson
Science Institute for Educators
Spring Stomach Key
Copepod
Daphnia
Spiny Water Flea
Mysis
The stomach content make-up and ratio in this image represent data from “An Evaluation of the Importance of Mysis relicta to the Lake Superior Fish Community” (2010). A thesis submitted to the faculty of the Graduate School of the University of Minnesota by E. J. Isaac.
© MNDNR C. Iverson
Science Institute for Educators
Kiyi About this fishAdult Size Range: 18 - 35 cm (7.1 - 13.8 in)
Habitat: Kiyi (Cisco species) are found only in the Great Lakes between the United States and Canada. They are commonly found in Lake Superior but are rare in Lake Huron and Lake Ontario and endangered in Lake Michigan. Although they are occasionally found in shallower waters, kiyi prefer waters of at least 108 m in depth.
Fun Fish Fact: Kiyi have large, silvery scales with pink or purple iridescence.
© MNDNR C. Iverson
Science Institute for Educators
Summer Stomach Key
Copepod
Daphnia
Spiny Water Flea
Mysis
The stomach content make-up and ratio in this image represent data from “An Evaluation of the Importance of Mysis relicta to the Lake Superior Fish Community” (2010). A thesis submitted to the faculty of the Graduate School of the University of Minnesota by E. J. Isaac.
© MNDNR C. Iverson
Science Institute for Educators
Lake Whitefish About this fishAdult Size Range: 27.1 - 100 cm (10.7 - 39.4 in)
Habitat: Lake whitefish occur in Lake Superior and in deep, cool-water lakes in northern Minnesota. They are present in many lakes in the Boundary Waters Canoe Area and in lakes of the Upper Mississippi River drainage. They require cool, well-oxygenated water in the summertime. These fish tend to stay near the lake bottom.
Fun Fish Fact: The Anishinabe (Ojibwe) word for Great Lakes Whitefish is Adikameg.
© MNDNR C. Iverson
Science Institute for Educators
Fall Stomach Key
Fingernail Clam
Diporeia
Spiny Water Flea
Midge Larvae
Mysis
The stomach content make-up and ratio in this image represent data from “An Evaluation of the Importance of Mysis relicta to the Lake Superior Fish Community” (2010). A thesis submitted to the faculty of the Graduate School of the University of Minnesota by E. J. Isaac.
© MNDNR C. Iverson
Science Institute for Educators
Lake Whitefish
© MNDNR C. Iverson
About this fishAdult Size Range: 27.1 - 100 cm (10.7 - 39.4 in)
Habitat: Lake whitefish occur in Lake Superior and in deep, cool-water lakes in northern Minnesota. They are present in many lakes in the Boundary Waters Canoe Area and in lakes of the Upper Mississippi River drainage. They require cool, well-oxygenated water in the summertime. These fish tend to stay near the lake bottom.
Fun Fish Fact: The Anishinabe (Ojibwe) word for Great Lakes Whitefish is Adikameg.
Science Institute for Educators
Spring Stomach Key
Fingernail Clam
Diporeia
Spiny Water Flea
Midge Larvae
Mysis
The stomach content make-up and ratio in this image represent data from “An Evaluation of the Importance of Mysis relicta to the Lake Superior Fish Community” (2010). A thesis submitted to the faculty of the Graduate School of the University of Minnesota by E. J. Isaac.
© MNDNR C. Iverson
Science Institute for Educators
Lake Whitefish
© MNDNR C. Iverson
About this fishAdult Size Range: 27.1 - 100 cm (10.7 - 39.4 in)
Habitat: Lake whitefish occur in Lake Superior and in deep, cool-water lakes in northern Minnesota. They are present in many lakes in the Boundary Waters Canoe Area and in lakes of the Upper Mississippi River drainage. They require cool, well-oxygenated water in the summertime. These fish tend to stay near the lake bottom.
Fun Fish Fact: The Anishinabe (Ojibwe) word for Great Lakes Whitefish is Adikameg.
Science Institute for Educators
Summer Stomach Key
Fingernail Clam
Diporeia
Spiny Water Flea
Midge Larvae
Mysis
The stomach content make-up and ratio in this image represent data from “An Evaluation of the Importance of Mysis relicta to the Lake Superior Fish Community” (2010). A thesis submitted to the faculty of the Graduate School of the University of Minnesota by E. J. Isaac.
© MNDNR C. Iverson
Science Institute for Educators
Siscowet Lake Trout About this fishAdult Size Range: 42 - 150 cm (16.5 - 59.1 in)
Habitat: The siscowet is a deep-water form of lake trout usually found at depths greater than 300 feet and only found in Lake Superior. Siscowet are the most abundant predator in Lake Superior.
Fun Fish Fact: “Unlike their svelte kin (namely lean lake trout), obesity is a natural state for siscowets. Siscowets’ tendency to develop more body fat (40-70 percent) than lean lake trout (about 10 percent) is natural and not a source of concern.” Siscowet Trout, A Plague of Riches, by Sharon Moen
© MNDNR C. Iverson
Science Institute for Educators
Fall StomachThe stomach content make-up and ratio in this image represent data from “An Evaluation of the Importance of Mysis relicta to the Lake Superior Fish Community” (2010). A thesis submitted to the faculty of the Graduate School of the University of Minnesota by E. J. Isaac.
© MNDNR C. Iverson
Key
Fingernail Clam
Diporeia
Mysis
Seed Shrimp
Sculpin
Smelt
Kiyi
Science Institute for Educators
Siscowet Lake Trout About this fishAdult Size Range: 42 - 150 cm (16.5 - 59.1 in)
Habitat: The siscowet is a deep-water form of lake trout usually found at depths greater than 300 feet and only found in Lake Superior. Siscowet are the most abundant predator in Lake Superior.
Fun Fish Fact: “Unlike their svelte kin (namely lean lake trout), obesity is a natural state for siscowets. Siscowets’ tendency to develop more body fat (40-70 percent) than lean lake trout (about 10 percent) is natural and not a source of concern.” Siscowet Trout, A Plague of Riches, by Sharon Moen
© MNDNR C. Iverson
Science Institute for Educators
Spring StomachThe stomach content make-up and ratio in this image represent data from “An Evaluation of the Importance of Mysis relicta to the Lake Superior Fish Community” (2010). A thesis submitted to the faculty of the Graduate School of the University of Minnesota by E. J. Isaac.
© MNDNR C. Iverson
Key
Fingernail Clam
Diporeia
Mysis
Seed Shrimp
Sculpin
Smelt
Kiyi
Science Institute for Educators
Siscowet Lake Trout About this fishAdult Size Range: 42 - 150 cm (16.5 - 59.1 in)
Habitat: The siscowet is a deep-water form of lake trout usually found at depths greater than 300 feet and only found in Lake Superior. Siscowet are the most abundant predator in Lake Superior.
Fun Fish Fact: “Unlike their svelte kin (namely lean lake trout), obesity is a natural state for siscowets. Siscowets’ tendency to develop more body fat (40-70 percent) than lean lake trout (about 10 percent) is natural and not a source of concern.” Siscowet Trout, A Plague of Riches, by Sharon Moen
© MNDNR C. Iverson
Science Institute for Educators
Summer StomachThe stomach content make-up and ratio in this image represent data from “An Evaluation of the Importance of Mysis relicta to the Lake Superior Fish Community” (2010). A thesis submitted to the faculty of the Graduate School of the University of Minnesota by E. J. Isaac.
© MNDNR C. Iverson
Key
Fingernail Clam
Diporeia
Mysis
Seed Shrimp
Sculpin
Smelt
Kiyi
