Aspetti del regime alimentare di Lithognathusmormyrus (Linnaeus, 1758) nello stagno di Calich(Sardegna nord occidentale) =Observations on feeding habitus of Lithognathusmormyrus (Linnaeus, 1758) in the Calich Lagoon(North Western Sardinia)

Feeding habitus of the striped seabream Lithognathus mormyrus were investigated in the Calich lagoon (NW Sardinia, Italy). The stomach contents of 128 adult specimens ( TL=J9.5±J.3 cm) collected in spring and summer 1998 were examined. Benthic fauna such as Amphipoda, Mollusca and Polychaeta were the main food items (33.2, 19.3 and 5% of the number of preys respectively), but a large amount of Chironomidae larvae and detritus was also found (1/.6 and 30.6%). No dijJerences between the diet of 2 fish size classes (20

Keywords:

• Fishery
• Benthic zone
• Chironomidae
• Striped seabream
• Larva
• Fauna
• Mollusca
• Amphipoda
• Biology
• Detritus
• Lithognathus mormyrus

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