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La reproduction des poissons plats (téléostéens-pleuronectiformes) en baie de Douarnez. 2. Cycles sexuels et fécondité des Soleidae: Solea vulgaris vulgaris, Solea lascaris, Buglossidium luteum et Microchirus variegatus = Flatfish reproduction in Douarnenez Bay (S. Brittany). 2. Sexual cycles and fecundity in the Soleidae: Solea vulgaris vulgaris, Solea lascaris, Buglossidium luteum and Microchirus variegatus
Déniel, Ch. (1984). La reproduction des poissons plats (téléostéens-pleuronectiformes) en baie de Douarnez. 2. Cycles sexuels et fécondité des Soleidae: Solea vulgaris vulgaris, Solea lascaris, Buglossidium luteum et Microchirus variegatus = Flatfish reproduction in Douarnenez Bay (S. Brittany). 2. Sexual cycles and fecundity in the Soleidae: Solea vulgaris vulgaris, Solea lascaris, Buglossidium luteum and Microchirus variegatus. Cah. Biol. Mar. 25(3): 257-285
In: Cahiers de Biologie Marine. Station Biologique de Roscoff: Paris. ISSN 0007-9723; e-ISSN 2262-3094
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  • Déniel, Ch.
Abstract
    Four species of Soleidae live in Douarnenez Bay: the Dover sole Solea vulgaris vulgaris (Quensel, 1806), the sand sole Solea lascaris Risso, 1810), the solenette Buglossidium luteum (Risso, 1810) and the thickback-sole Microchirus variegates (Donovan, 1808). S. vulgaris breeds in winter (December-March), S. lascaris spawns in spring and in summer (May-September), B. luteum especially in spring (March-mid July) as M. variegates. In the four species, vitellogeneis takes place in several batches of oocytes; all siages of vitellogenesis can be observed in females before the breeding period. B. luteum deep few ripe oocytes in their ovaries after breeding, so calculated fecundities (519 eggs /g and 1340 eggs/g respectively) may represent true fecundities of species.
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