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Actual otolith size
How old is this fish? Click on the otolith where you think each of the annuli (yearly rings) are, then click the submit button at the bottom of the page. Click the clear button to start over.

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     Species: Pacific Ocean perch
     Collected: 6/24/00
     Length: 39 cm
    It was not possible to capture the entire otolith image and provide enough resolution to distinguish annuli, so multiple images were taken and merged together to create this view.

    The otolith nucleus and first annulus is not visible in this view.