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Discovery of imposex in the gastropod Cyclope neritea now invading Galicia (north-west Spain)

Published online by Cambridge University Press:  25 August 2006

María Quintela
Affiliation:
Área de Ecoloxía, Facultade de Ciencias, Universidade da Coruña, Alejandro de la Sota, 1, E-15008 A Coruña, Spain
Lucía Couceiro
Affiliation:
Área de Ecoloxía, Facultade de Ciencias, Universidade da Coruña, Alejandro de la Sota, 1, E-15008 A Coruña, Spain
José Miguel Ruiz
Affiliation:
Área de Ecoloxía, Facultade de Ciencias, Universidade da Coruña, Alejandro de la Sota, 1, E-15008 A Coruña, Spain
Rodolfo Barreiro
Affiliation:
Área de Ecoloxía, Facultade de Ciencias, Universidade da Coruña, Alejandro de la Sota, 1, E-15008 A Coruña, Spain

Abstract

A field survey to re-assess imposex and tributyltin (TBT) bioaccumulation in the gastropod Nassarius reticulatus over Galicia uncovered three populations of the invasive species Cyclope neritea, all showing some advanced imposex. One female was found to carry a mass of aborted egg capsules. The TBT pollution, now decreasing in the area, is the most likely explanation for these reproductive anomalies, and it may bear some relationship to the described population dynamics of C. neritea.

Type
Research Article
Copyright
2006 Marine Biological Association of the United Kingdom

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