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Observaciones sobre la sexualidad de Pagellus erythrinus L.

Authors: Larrañeta, M. G.;

Observaciones sobre la sexualidad de Pagellus erythrinus L.

Abstract

[ES] Este estudio ha sido hecho sobre ejemplares pescados en el mar Mediterráneo frente a las costas de la provincia de Castellón (España) en profundidades comprendidas entre 25 y 120 metros. Los ejemplares, en número total de 860, fueron capturados con el arte de arrastre usual entre los pescadores de la región (3), que amablemente se prestaron para el suministro del material. Las observaciones comenzaron en enero de 1951 y terminaron en agosto de 1952, de forma que en los meses más interesantes (abril-julio) se hicieron observaciones de dos años diferentes. El total de ejemplares se obtuvo en 45 pescas, que se distribuyeron regularmente a lo largo del período de estudio. El número medio de ejemplares por pesca es de 19, y el de pescas por mes, de 2,25. Junto con los individuos estudiados en las pescas habla otros de tallas inferiores que no fueron tenidos en cuenta por estar aún en una fase juvenil, sexualmente inmaduros. Las hembras llegan a la maduración a una edad más temprana que los machos. La época en que presentan un índice gonosomático elevado se extiende desde el 15 de mayo hasta el 30 de junio (fig. 1). [...]

[EN] 860 specimens of Pagellus erythrinus fished off Castellón (Eastern coast of Spain) in the Mediterranean been studied. Only the specimens over 135 mm. lengh have been studied. The monthly variation of the rate between the weight of the gonad and the weight of the fish shows that maturing of the sexual products and spawning is simultaneous and occurs from 15th May to 15th June. [...] Boops boops, Sparus auratus, Diplodus vulgaris, D. sargus, Charax puntazzo

19 pages, 4 figures, 6 tables

Peer reviewed

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green