Can anyone help Identify these fish vertebra?


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Can anyone help Identify these fish vertebra?

Post by Ottermad83 » Mon Mar 12, 2012 1:21 pm

I am doing a dietary analysis of the Eurasian Otter and I am currently struggling to identify some fish vertebra. Bones have been found in Otter spraints collected in Scottish fresh water environment. Can anyone help? Thank you.
Bones to be IDed 011.JPG
Bones to be IDed 008.JPG
Bones to be IDed 006.JPG

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Post by marquitosgm » Mon Mar 26, 2012 9:05 am

First yo need to list prey species that live in your otter's habitat and then have samples for comparison.

Did you do this yet?

That's what I did when studying cat, kestrel, owl and and shrike diets in the Canary Islands. There were up to five lizard prey species in some habitats. Their jaws and skull bones were easy to distinguish in pellets, but their vertebrae not so often.

I have not a clue about fish vertebrae but I believe to remind that their scales show good taxonomic traits when seen under the microscope.

Hope this helps and is not too obvious.

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