Non-lethal Aging Workshop

FL AFS Spring 2021 Continuing Education Virtual Workshop

 Title: Collecting, Processing, and Ageing Fin Structures from Freshwater and Marine Fishes

Instructors: Summer Lindelien (FWC-FWRI) and Kristen Rynerson (FWC-FWRI)

When: April 14, 2021 th – 9:00am to 1:00pm

Where: Adobe Connect (Link to be distributed via email on April 12th)


  • Welcome and introductions
  • Introduction to fish ageing and nonlethal ageing applications
  • Removing, storing, and processing nonlethal ageing structures
  • Short break
  • Interpreting and ageing nonlethal structures, and associated nuances
  • Timing of growth zone formation, references sets, and materials list
  • Short break
  • Group nonlethal ageing exercise
  • QA/QC examples
  • Discussion and questions

Seven year-old Florida Bass dorsal spine section pictured left and seven year-old Goliath Grouper dorsal spine section pictured right.