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

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...

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Bibliographic Details
Published in:Journal of the Marine Biological Association of the United Kingdom 2006-10, Vol.86 (5), p.1171-1173
Main Authors: Quintela, María, Couceiro, Lucía, Ruiz, José Miguel, Barreiro, Rodolfo
Format: Article
Language:English
Subjects:
Animal and plant ecology
Animal, plant and microbial ecology
Antifouling substances
Bioaccumulation
Biological and medical sciences
Cyclope neritea
Females
Fundamental and applied biological sciences. Psychology
Gastropoda
Imposex
Invasive species
Invertebrates
Marine
Mollusca
Nassarius reticulatus
Penis
Pollution control
Predation
Research Article
Sea water ecosystems
Synecology
Tributyltin
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Summary: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.
ISSN:0025-3154
1469-7769
DOI:10.1017/S0025315406014159