Friday February 9, 2018

Removing salmon carcass head
Sometimes cutting off salmon heads is all in a day’s work. But it’s not a macabre fetish – we’re after valuable information about the fish’s life stored in its ear bones, or otoliths, which record rings like trees. The salmon have already died naturally after spawning, so we are taking this data opportunistically – which sometimes it means ending up with a freezer full of fish heads. This photo recently won our staff Photo of the Month contest for its unique perspective. Are you ready to saw?

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