Mysteries of the Turkana Fisheries – James Quiroz

Mysteries of the Turkana Fisheries – How aging fishes tells us a lot about the past and the
future.

James, active member in the Michael Frisk’s laboratory, will be presenting a research project (led by M. Muelh) on the age and growth of a variety of fishes in Lake Turkana, Kenya. Using otolith (small oval calcareous bodies in the inner ear), scale, vertebrae and tissue samples, it’s possible to accurately determine the age and growth of valuable fishery stocks which play an important role in the surrounding population’s diet.

Meet with James and learn techniques to study fish biology.

Scientists determine the age of snapper by counting annual growth rings on their otoliths, similar to counting growth rings in trees. Sources: NOAA FishWatch and https://en.wikipedia.org/wiki/Otolith#/media/File:Removing_a_red_snapper_otolith.jpg 

 

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