<p>
 Out of curiosity, I saved a scale while preparing a salmon for supper.  I was surprised to see it resemble a whorl pattern, like a fingerprint.
</p>
<figure class="wp-block-image">
 <img alt="Image of a salmon scale through a Foldscope" class="wp-image-147027 gcloudimg" data-attachment-id="147027" data-comments-opened="1" data-image-meta='{"aperture":"1.7","credit":"","camera":"SM-G930W8","caption":"","created_timestamp":"1514643945","copyright":"","focal_length":"4.2","iso":"400","shutter_speed":"0.1","title":"","orientation":"1"}' data-image-title="fish scale inset" src="https://storage.googleapis.com/microcosmosdelta.appspot.com/images/transfer_147026/fish-scale-inset.jpg"/>
 <figcaption>
  fish scale, Salmonidae family
 </figcaption>
</figure>
<p>
</p>


Fish scale from salmon

Paul Stinson

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