Abstract
Specimens from the prosobranch Hinia reticulata collected along the coast of Brittany and Normandy from 1988 to 1991 exhibited imposex (occurrence of male parts in addition to the female genital duct) in response to tributyltin (TBT) pollution. Four stages of imposex development (1 to 4) with two different types in the Stages 1, 3 and 4 could be distinguished and have been documented with scanning electron micrographs for the first time. Furthermore, three additional alterations of the genital tract are shown. Neither TBT-induced sterilization nor sex change occurred. TBT accumulation in whole body and selected tissues is described and sex-related differences are shown. The VDS (vas deferens sequence) index, cubed and uncubed RPS (relative penis size) index and average female penis length of a population were analysed with regard to their quality as indices for TBT biomonitoring. Based on the way imposex develops in this species the VDS is recommended as the most valid index. Only in highly polluted areas should the uncubed RPS be used as a second index.
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Communicated by O. Kinne, Oldendorf/Luhe
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Stroben, E., Oehlmann, J. & Fioroni, P. The morphological expression of imposex in Hinia reticulata (Gastropoda: Buccinidae): a potential indicator of tributultin pollution. Marine Biology 113, 625–636 (1992). https://doi.org/10.1007/BF00349706
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DOI: https://doi.org/10.1007/BF00349706