Scientists have recently rediscovered the Shortnose Cisco, a native Great Lakes whitefish thought to be extinct for nearly 40 years. This unexpected find was made in Lake Superior, where the fish was not believed to live. Shortnose Cisco populations were decimated due to overfishing and the presence of invasive species in the Great Lakes, leading to their decline and eventual extinction. Genetic and morphological studies have confirmed the presence of this fish species in Lake Superior, vindicating an early researcher who identified it a century ago. Efforts are now underway to restore cisco populations in the Great Lakes region, with the hope of improving the overall health of the ecosystem. The Michigan Department of Natural Resources has been successful in raising and releasing young cisco fish in Saginaw Bay, with plans to extend similar restoration efforts to Lake Erie. These restoration initiatives are crucial for maintaining a balanced and resilient fishery in the Great Lakes, which have been heavily impacted by invasive species and other environmental stressors. The reintroduction of native fish species like ciscoes is seen as a key strategy for enhancing the long-term health and stability of the Great Lakes ecosystem.
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www.usatoday.com
Rare Shortnose Cisco Fish previously believed to be extinct found thriving in Lake Superior
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