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Removing otoliths video

November 10, 2016 admin

Otoliths are ear bones in a fish’s head.  They are used to determine how old a fish is.  This is because otoliths grow in rings.  Much like a tree, a fish adds one ring of bone to its otoliths each year.  So if you count the rings, you know how old the fish was in years.

http://aquaticsafari.org/wp/wp-content/uploads/2016/11/Removing-Otoliths-low-def.mp4
Posted in: Adventure and Field Research, Botswana

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