Distribution and allometry of the knobby swimcrab,Macropipus tuberculatus (Roux, 1830) (Brachyura, Portunidae) in the Strait of Sicily (Mediterranean Sea)

Authors : Giandomenico NARDONE, Sergio RAGONESE

Pages : 97-102

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Publication Date : 0000-00-00

Article Type : Research Paper

Abstract :Distribution and biometric information for Macropipus tuberculatus of the Strait of Sicily were obtained via an experimental bottom trawl survey carried out in 2000. The species occurred with low frequency insert ignore into journalissuearticles values(20%); and abundance insert ignore into journalissuearticles values(365 specimens);, showing a scattered spatial distribution, split in 2 preferential depth levels insert ignore into journalissuearticles values(90-160 m and 230-460 m);. Males were larger and more abundant than females. The carapace length width relationship was allometric positive insert ignore into journalissuearticles values(b > 1);, and the carapace length weight relationship was isometric insert ignore into journalissuearticles values(b = 3);.
Keywords : Key words Macropipus tuberculatus, spatial distribution, allometry, Strait of Sicily, Mediterranean Sea