La Tour du Valat

Institut de recherche pour la conservation des zones humides méditerranéennes

Titre :	Feeding habits of Percnon gibbesi (H. Milne Edwards, 1853) in the Sicily Strait
Auteurs :	V. Puccio, Auteur ; M. Relini, Auteur ; E. Azzurro, Auteur ; L. O. Relini, Auteur
Type de document :	Article
Dans :	Hydrobiologia (557 MAR 2006)
Article en page(s) :	79-84
Résumé :	The subtropical grapsid crab Percnon gibbesi (H. Milne Edwards, 1853) is one of the most recent alien decapods found in the Mediterranean, where it was discovered at Linosa (Pelagie Islands, Sicily Strait) in summer 1999. At present, the invasion of this species has been recorded in several other insular localities. We studied the feeding habits of the crab in an attempt to understand its success in the Mediterranean. The morphological characteristics of the chela, the feeding adaptations of the gastric mill and the analysis of stomach contents indicate that P. gibbesi is a strictly herbivorous species, a characteristic not shared with any other large-sized infralittoral Mediterranean crab.

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