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Tag: otolith

A cross-section of a salmon otolith, also known as a fish ear stone or fish ear bone. Scientists measured Strontium ratios and identified the waters in which the fish lived for its entire life. The new fish-tracking method may help pinpoint critical habitats for fish threatened by climate change, industrial development and overfishing. Credit: Sean Brennan, University of Washington

Read more at: http://phys.org/news/2015-05-chemical-tags-ear-bones-track.html#jCp

Isotopes inside salmon ear tell a fishy story

According to a new study, just like tree rings carry with them hints about previous dry or rainy years, bones ...

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