Barracuda's age can be determined by counting the rings on the scales and on the otolith

Via @poopdeck
Curious fact: Barracuda's age can be determined by counting the rings on the scales and on the otolith (structure in the inner ear). Number of rings matches the age of the fish. @the_barefootwalker .
Video taken by my friends Simon Dowling @ecokohtao and Adrien Horvart @crystalimageskohtao underneath our boat. Please check out their amazing galleries and follow them for more awesome videos like this!
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#fish #barracuda #greatbarracuda #water #coral #reef #reelife #tropical #tropicalfish