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The Occurrence of Pontonia Pinnophylax (Decapoda: Natantia: Pontoninae) in Pinna Nobilis (Mollusca: Bivalvia: Pinnidae) from the Mediterranean

Published online by Cambridge University Press:  11 May 2009

C.A. Richardson
Affiliation:
School of Ocean Sciences, University of Wales Bangor, Menai Bridge, Anglesey, LL59 5EY.
H. Kennedy
Affiliation:
School of Ocean Sciences, University of Wales Bangor, Menai Bridge, Anglesey, LL59 5EY.
C.M. Duarte
Affiliation:
Centro de Estudios Avanzados de Blanes, CSIC, Cami de Santa Barbara s/n, 17300 Blanes, Girona, Spain
S.V. Proud
Affiliation:
School of Ocean Sciences, University of Wales Bangor, Menai Bridge, Anglesey, LL59 5EY.

Extract

During the course of a survey into the distribution and growth of the fan mussels Pinna nobilis and Pinna rudis from the coastal waters of the Spanish Mediterranean the presence within the mussels of Pontonia pinnophylax has been recorded. Pontonia pinnophylax typically occurred in adult pairs, but occasionally solitary male individuals were found. The width of the cephalothorax is greater in females than males, whereas the chelae of the second periopods, which are unequal, are larger in males. There is a general relationship between the size of P. pinnophylax and its pinnid host; the largest individuals were found in the largest Pinna and vice versa.

Type
Short Communications
Copyright
Copyright © Marine Biological Association of the United Kingdom 1997

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