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: 2

Masters Students: 10

Phd Students: 3

Post Docs: 2

University Staff: 7

5 Year Summary

Students graduated: 26

Scientific Publications: 90

Presentations: 172



  • James LongPrincipal Investigator
  • Richard SnowStudent

Funding Agencies

  • Oklahoma Department of Wildlife Conservation


Oklahoma Cooperative Fish and Wildlife Research Unit Cooperators

  1. Oklahoma Department of Wildlife Conservation
  2. Oklahoma State University
  3. U.S. Fish and Wildlife Service
  4. U.S. Geological Survey
  5. Wildlife Management Institute