Kelly Walker is able to estimate the length of a fish by measuring the total length of a whole otolith. She can also estimate the age of a fish by transversely sectioning a whole otolith and counting the growth rings.
Otoliths
Image courtesy of Kelly Walker, UAF, The Hidden Ocean 2016: Chukchi Borderlands.
Kelly Walker is able to estimate the length of a fish by measuring the total length of a whole otolith. She can also estimate the age of a fish by transversely sectioning a whole otolith and counting the growth rings. Download larger version (jpg, 921 KB).
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