Removing otoliths from a kelp greenling in the field

Biologist removing the ear bones from a fish on a table on a boat in Southeast Alaska

Detailed Description

Hans Bruning (left; first mate on the Snow Goose) and Tim Tinker (right) watch as USGS biologist Vanessa von Biela dissects kelp greenling (Hexagrammos decagrammus) for their otoliths—earbones whose growth rings can reveal a fish's age and indicate how fast the fish grew in certain years. Picture taken on board the M/V Snow Goose in southeast Alaska.


Image Dimensions: 912 x 684

Date Taken:

Location Taken: AK, US