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First record of intersexuality in walleye pollock Theragra chalcogramma (Pallas, 1814)

Published online by Cambridge University Press:  19 June 2015

K. Zhukova  and
A.M. Privalikhin
K. Zhukova*
Affiliation:
Russian Federal Research Institute of Fisheries and Oceanography (VNIRO), 107140, 17 Verkhnaya Krasnoselskaya Street, Moscow, Russian Federation
A.M. Privalikhin
Affiliation:
Russian Federal Research Institute of Fisheries and Oceanography (VNIRO), 107140, 17 Verkhnaya Krasnoselskaya Street, Moscow, Russian Federation
*
Correspondence should be addressed to: K. Zhukova, Russian Federal Research Institute of Fisheries and Oceanography (VNIRO), 107140, 17 Verkhnaya Krasnoselskaya Street, Moscow, Russian Federation email: [email protected]
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Abstract

We report the first record of intersexuality in walleye pollock Theragra chalcogramma (Pallas, 1814) caught in the Bering and Okhotsk seas. Prevalence of intersexuality was low (0.0003–0.0016%). We describe intersex gonads at the macro- and microscopic levels (using histological methods).

Keywords

intersexhistologyTheragra chalcogrammaGadiformesgonochoristic speciesovotestis
Type
Research Article
Information
Marine Biodiversity Records , Volume 8 , 2015 , e89
Copyright
Copyright © Marine Biological Association of the United Kingdom 2015 

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