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Sexual anomalies in male and female Phyllodiaptomus tunguidus Shen & Tai in a Chinese reservoir (Copepoda, Calanoida)

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[We describe malformations in the antennules in Phyllodiaptomus tunguidus Shen & Tai, 1964, a freshwater calanoid copepod found in Aha Reservoir, Guiyang, China. The right antennule of one female and both antennules of a male had become geniculate. Emissions of chemical substances, including mercury and various unspecified organic compoounds, are known to occur in the reservoir and may have caused some recent mass mortalities of fish here. It is suggested that the anomalies of the copepods reported herein might also be correlated with the observed environmental pollution. Nous décrivons des malformations observées sur les antennules de Phyllodiaptomus tunguidus Shen & Tai, 1964, un copépode calanoïde d'eau douce trouvé dans le réservoir Aha, Guiyang, Chine. L'antennule droite d'une femelle et les deux antennules d'un mâle sont devenues géniculées. Des émissions de substances chimiques, incluant du mercure et différents composés organiques indéterminés, sont connues comme se produisant dans le réservoir et peuvent être la cause de récentes mortalités en masse de poissons. Il est suggéré que les anomalies des copépodes rapportées ici pourraient être aussi corrélées à la pollution environnementale observée., We describe malformations in the antennules in Phyllodiaptomus tunguidus Shen & Tai, 1964, a freshwater calanoid copepod found in Aha Reservoir, Guiyang, China. The right antennule of one female and both antennules of a male had become geniculate. Emissions of chemical substances, including mercury and various unspecified organic compoounds, are known to occur in the reservoir and may have caused some recent mass mortalities of fish here. It is suggested that the anomalies of the copepods reported herein might also be correlated with the observed environmental pollution. Nous décrivons des malformations observées sur les antennules de Phyllodiaptomus tunguidus Shen & Tai, 1964, un copépode calanoïde d'eau douce trouvé dans le réservoir Aha, Guiyang, Chine. L'antennule droite d'une femelle et les deux antennules d'un mâle sont devenues géniculées. Des émissions de substances chimiques, incluant du mercure et différents composés organiques indéterminés, sont connues comme se produisant dans le réservoir et peuvent être la cause de récentes mortalités en masse de poissons. Il est suggéré que les anomalies des copépodes rapportées ici pourraient être aussi corrélées à la pollution environnementale observée.]

Affiliations: 1: School of Life Science, Guizhou Normal University, Guiyang, Guizhou 550001, China; 2: Institute of Animal Ecology, University of Ghent, K.L. Ledeganckstraat 35, B-9000 Ghent, Belgium; 3: Jinan University, Guangzhou 510000, China

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/content/journals/10.1163/001121610x498782
2010-06-01
2016-12-08

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