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Bigmouth buffalo beyond 110 years in National Geographic.

Precision & Accuracy

Age analysis of fishes using otoliths (“earstones”): thin-sectioned otoliths and bomb radiocarbon age validation.

Focus

Understanding the life histories of the underappreciated species in our midst.

Publications

• Communications Biology (2019): Bigmouth Buffalo Ictiobus cyprinellus sets freshwater teleost record as improved age analysis reveals centenarian longevity
• North American Journal of Fisheries Management (2019). Otolith‐based age estimates of Alligator Gar assessed using bomb radiocarbon dating to greater than 60 years.

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Publicity

• National Geographic: 112-year-old fish has broken a longevity record
• MPR: New appreciation for a Minnesota fish long considered junk
• Star Tribune: Record catch: At 112 years, Minnesota fish is the oldest freshwater fish ever verified

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Collaboration

• Nicholls State University, Louisiana, GarLab – aging of gar and other fishes
• Eastern Illinois University – aging of blue sucker
• University of Saskatchewan and the Water Security Agency, Canada – aging of bigmouth buffalo
• University of North Texas – aging of smallmouth buffalo

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