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A new distribution record and the reproductive strategy of Pomatoschistus pictus adriaticus (Pisces: Gobiidae) in the Mediterranean Sea

Published online by Cambridge University Press:  19 September 2003

Jean-Luc Bouchereau ,
Virginie Houder ,
Adam Marques  and
José E. Rebelo
Jean-Luc Bouchereau*
Affiliation:
University Antilles-Guyane, BP 592, F-97159 Pointe-à-Pitre, France University Montpellier II, F-34095 Montpellier 05, France
Virginie Houder
Affiliation:
University Montpellier II, F-34095 Montpellier 05, France
Adam Marques
Affiliation:
University Montpellier II, F-34095 Montpellier 05, France
José E. Rebelo
Affiliation:
University de Aveiro, P-3810-193 Aveiro, Portugal
*
∫Corresponding author, e-mail: jean-luc.bouchereau@univ-ag.fr
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Abstract

Specimens and nests of Pomatoschistus pictus adriaticus have been caught for the first time along the French Mediterranean shore (Gulf of Lions). Six types of nests are found on sandy-gravelly bottom at 10 m depth and 25.3 to 27.5 g 1−1 salinity, using in 84.7% of cases, a valve of Cardium edule (3.3≤weight g≤40.6; 507≤surface mm2≤2490). Nest size, egg patch, surface area and nesting fecundity are positively correlated. Nesting fecundity varies between 669 and 4690 eggs. For a similar egg diameter, the egg height is less than that of P. minutus which spawns on the same bottom and localities. Larval length at hatching varies from 1.70 to 2.67 mm.

Type
Research Article
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 83 , Issue 5 , October 2003 , pp. 1157 - 1161
Copyright
Copyright © Marine Biological Association of the United Kingdom 2003

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