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Otolith microstructure of the Russian sturgeon, Acipenser gueldenstadti

Published online by Cambridge University Press:  06 September 2002

Takaomi Arai  and
Nobuyuki Miyazaki
Takaomi Arai
Affiliation:
Otsuchi Marine Research Center, Ocean Research Institute, University of Tokyo, 2-106-1, Akahama, Otsuchi, Iwate 028-1102, Japan
Nobuyuki Miyazaki
Affiliation:
Otsuchi Marine Research Center, Ocean Research Institute, University of Tokyo, 2-106-1, Akahama, Otsuchi, Iwate 028-1102, Japan
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Abstract

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Otolith microstructure of the Russian sturgeon, Acipenser gueldenstadti was examined in adult samples collected in the Caspian Sea. The microstructure of the otolith was the same among specimens. The anterior side of the sagitta grew in two directions elongating both the long and short arms, and the long arm sections exhibited 14–21 distinct translucent and opaque zones. Otolith increments in this species can be used for age determination.

Type
Short Communication
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 82 , Issue 4 , August 2002 , pp. 679 - 680
Copyright
2002 Marine Biological Association of the United Kingdom