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Evidence of a sexual pause in Bathymodiolus azoricus (Bivalvia: Mytilidae) from hydrothermal vents of the Mid-Atlantic Ridge

Published online by Cambridge University Press:  01 December 1999

Thierry Comtet
Affiliation:
IFREMER Centre de Brest, DRO/EP, BP 70, 29280 Plouzané, France
Marcel Le Pennec
Affiliation:
Biologie Marine, UMR CNRS 6539, Institut Universitaire Européen de la Mer, Place Nicolas Copernic, 29280 Plouzané, France
Daniel Desbruyères
Affiliation:
IFREMER Centre de Brest, DRO/EP, BP 70, 29280 Plouzané, France

Abstract

Histological sections of the gonad of Bathymodiolus azoricus from the Lucky Strike and Menez Gwen hydrothermal vent fields (Mid-Atlantic Ridge) demonstrated a spawning event in this species in May 1994, synchronous between the two vent fields located 60 km apart, and a sexual pause in gametogenesis. As reported for other vent mytilid species, B. azoricus from Lucky Strike and Menez Gwen could exhibit hermaphroditism.

Type
Brief Report
Copyright
© 1999 Marine Biological Association of the United Kingdom

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