The U.S. Fish and Wildlife Service made the announcement on its Facebook page.
âThis real life river monster was tipping the scales at 240 pounds, measuring 6 feet 10 inches long, and a girth of nearly 4 feet,â the post stated. âCaught in the Detroit River, this fish is one of the largest lake sturgeon ever recorded in the U.S.â
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Based on its girth and size, biologists assume it to be a female and said she has been roaming the Detroit River and surrounding waters for over 100 years.
As a point of reference, that means the ancient fish caught on April 22 likely was hatched in the Detroit River around 1920, when Detroit became the fourth largest city in America.
ALPENA Next week, the Association of Lifelong Learners has a packed schedule with something for everyone.
Currently all programs are via Zoom livestream only. These programs are open to the public. Just send an email to ALL@Alpenacc.edu to receive Zoom connection information.
Monday, March 1
Searching for invasive amphipods, killer shrimp and demon shrimp will be at 6 p.m. on Monday, March 1.
Every summer the U. S. Fish and Wildlife Service Alpena field office collects samples that are examined for organisms, some barely visible to the naked eye, that could impact game fish species. During the winter months hours of microscope observations are conducted to search for killer shrimp, demon shrimp, and other aquatic invasive macroinvertebrates.