Hydrobiologia

, 557:79

Feeding Habits of Percnon gibbesi (H. Milne Edwards, 1853) in the Sicily Strait

Article

Abstract

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.

Keywords

Percnon gibbesi Grapsidae alien species Mediterranean 

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Copyright information

© Springer 2006

Authors and Affiliations

  • V. Puccio
    • 1
  • M. Relini
    • 1
  • E. Azzurro
    • 2
  • L. Orsi Relini
    • 1
  1. 1.Laboratori di Biologia Marina ed Ecologia Animale, Dip.Te.Ris., Dipartimento per lo studio del Territorio e delle sue RisorseUniversità di GenovaGenovaItaly
  2. 2.Università di Roma “Tor Vergata”RomaItaly

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