Cooperative Research Units
Education, Research And Technical Assistance For Managing Our Natural Resources
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Validation of daily increment formation in otoliths of alligator gar


January 2012 - December 2014


Little work has been done on daily age of alligator gar, although the ability to estimate a variety of life history parameters (hatch, growth, mortality) is contingent upon this. We are using known age fish raised in a hatchery to validate the timing of the formation of the first ring, validation of daily ring formation, and the maximum age at which daily ages are valid.


Current Staff

Federal Staff: 95

Masters Students: 239

Phd Students: 143

Post Docs: 53

University Staff: 239

5 Year Summary

Students graduated: 701

Scientific Publications: 1949

Presentations: 4261



  • James LongPrincipal Investigator
  • Richard SnowStudent

Funding Agencies

  • Oklahoma Department of Wildlife Conservation


Cooperative Research Units Program Headquarters Cooperators

  1. U.S. Geological Survey