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Article . 2018 . Peer-reviewed
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Population characteristics of the crab Monodaeus couchii (Crustacea, Brachyura, Xanthidae) in the Western Mediterranean

Authors: Mori, M.; Abelló, Pere; Mura, M.; De Ranieri, S.;

Population characteristics of the crab Monodaeus couchii (Crustacea, Brachyura, Xanthidae) in the Western Mediterranean

Abstract

Se han estudiado algunos aspectos de la biología del cangrejo Monodaeus couchii a partir de ejemplares capturados en el mar Tirreno, canal de Cerdeña y mar Catalán (Mediterráneo occidental) (fig. 1). El rango batimétrico de distribución abarcó profundidades comprendidas entre 80 y 748 m, abarcando parte de la plataforma continental y el talud superior y medio. Su presencia es no obstante más común en el talud continental. La proporción de sexos en las muestras se inclina claramente a favor de los machos en las tres áreas de estudio. La especie presenta dimorfismo sexual de tallas, alcanzando los machos tallas superiores a las de las hembras (fig. 2). Se detectó la presencia de hembras ovígeras en octubre, noviembre y diciembre. Se observó la presencia de un hidrozoo epibionte, así como de un parásito saculínido (tabla 1). La especie es heteroquélica, presentando la mayor parte de ejemplares la pinza robusta en la derecha (tabla 2). Las hembras presentan una ligera alometría positiva en la forma del caparazón (tabla 3). La muda de pubertad, determinada por cambios morfológicos en las quelas, tiene lugar en los machos a una longitud de cefalotórax estimada alrededor de 11-16 mm (tabla 4). Su dieta está basada fundamentalmente en presas bentónicas y epibentónicas (bivalvos, gasterópodos, ofiuras, crustáceos peracáridos) (tabla 5). Se comporta como un depredador oportunístico capaz de actuar también como carroñero y sedimentívoro

12 pages, 1 figures, 5 tables

Peer Reviewed

Countries
Spain, Italy
Keywords

Distribución, Brachyura, Xanthidae, Biología de la población, Monodaeus

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selected citations
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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).
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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.
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