Sturgeon and paddlefish (Acipenseridae) sagittal otoliths are composed of the calcium carbonate polymorphs vaterite and calcite

B. M. Pracheil; B. C. Chakoumakos; M. Feygenson; G. W. Whitledge; R. P. Koenigs; R. M. Bruch

doi:10.1111/jfb.13085

Sturgeon and paddlefish (Acipenseridae) sagittal otoliths are composed of the calcium carbonate polymorphs vaterite and calcite

B. M. Pracheil, B. C. Chakoumakos, M. Feygenson, G. W. Whitledge, R. P. Koenigs, R. M. Bruch

Single Crystal Diffraction

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36 Scopus citations

Abstract

This study sought to resolve whether sturgeon (Acipenseridae) sagittae (otoliths) contain a non-vaterite fraction and to quantify how large a non-vaterite fraction is using neutron diffraction analysis. This study found that all otoliths examined had a calcite fraction that ranged from 18 ± 6 to 36 ± 3% by mass. This calcite fraction is most probably due to biological variation during otolith formation rather than an artefact of polymorph transformation during preparation.

Original language	English
Pages (from-to)	549-558
Number of pages	10
Journal	Journal of Fish Biology
Volume	90
Issue number	2
DOIs	https://doi.org/10.1111/jfb.13085
State	Published - Feb 1 2017

Keywords

Acipenser fulvescens

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10.1111/jfb.13085

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title = "Sturgeon and paddlefish (Acipenseridae) sagittal otoliths are composed of the calcium carbonate polymorphs vaterite and calcite",

abstract = "This study sought to resolve whether sturgeon (Acipenseridae) sagittae (otoliths) contain a non-vaterite fraction and to quantify how large a non-vaterite fraction is using neutron diffraction analysis. This study found that all otoliths examined had a calcite fraction that ranged from 18 ± 6 to 36 ± 3% by mass. This calcite fraction is most probably due to biological variation during otolith formation rather than an artefact of polymorph transformation during preparation.",

keywords = "Acipenser fulvescens",

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AU - Pracheil, B. M.

AU - Chakoumakos, B. C.

AU - Feygenson, M.

AU - Whitledge, G. W.

AU - Koenigs, R. P.

AU - Bruch, R. M.

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AB - This study sought to resolve whether sturgeon (Acipenseridae) sagittae (otoliths) contain a non-vaterite fraction and to quantify how large a non-vaterite fraction is using neutron diffraction analysis. This study found that all otoliths examined had a calcite fraction that ranged from 18 ± 6 to 36 ± 3% by mass. This calcite fraction is most probably due to biological variation during otolith formation rather than an artefact of polymorph transformation during preparation.

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ER -

Sturgeon and paddlefish (Acipenseridae) sagittal otoliths are composed of the calcium carbonate polymorphs vaterite and calcite

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Keywords

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