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TBT effects on the larvae of Ruditapes decussatus

Published online by Cambridge University Press:  15 June 2001

M.R. Coelho ,
S. Fuentes  and
M.J. Bebianno
M.R. Coelho
Affiliation:
UCTRA, CIMA, University of Algarve, Campus de Gambelas, 8000 Faro, Portugal
S. Fuentes
Affiliation:
Centro de Investigación y Cultivo de Espécies Marinas (CICEM), Água del Pino, Ctra. Huelva, Spain
M.J. Bebianno
Affiliation:
UCTRA, CIMA, University of Algarve, Campus de Gambelas, 8000 Faro, Portugal
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Abstract

The effects of sublethal tributyltin (TBT) concentrations on the growth and development of Ruditapesdecussatus larvae were studied. Veliger larvae of R. decussatus were exposed to TBT nominal concentrations of 25, 50, 75 and 100 ng Sn l−1 in the water for a period up to 13 d. Larval growth and development were chosen as endpoints for evaluation of TBT toxicity. Growth of R. decussatus larvae was severely affected by TBT concentrations (25–100 ng Sn l−1). A 3- to 6-fold reduction growth was observed in these early larval stages. Furthermore, R. decussatus larvae exposed to TBT did not develop further than D-larvae while the unexposed ones reached the umbonated stage.

Type
Research Article
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 81 , Issue 2 , April 2001 , pp. 259 - 265
Copyright
2001 Marine Biological Association of the United Kingdom

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