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One specimen of Platycephalus indicus (Platycephalidae) and one of Saurida undosquamis (Synodontidae) have been found stranded on the shore of Cape Peloro, Strait of Messina, Italy, at the end of the 1970s. The descriptions of these two lessepsian fish, previously unrecorded in Italian seas, are reported and their findings discussed.

The stomach contents of 69 Mediterranean spearfish Tetrapturus belone collected in the Strait of Messina, central Mediterranean Sea were examined. Of the total specimens, caught by harpoon, only three stomachs were empty. Their diet consisted mainly of pelagic fish and cephalopods. The most important piscine prey belonged to the families of Belonidae, Clupeidae and Scomberesocidae. Cephalopods were mainly represented by Tremoctopus violaceus in terms of per cent weight and by Illex coindetii in terms of per cent frequency of occurrence. Tetrapturus belone is an active predator on epipelagic fast-moving prey and school-forming species. Its ecological role is similar to that of other large pelagic species which share the same environment.

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Old findings of the lessepsian immigrants Platycephalus indicus (Platycephalidae) and Saurida undosquamis (Synodontidae) along the Italian coasts

Diet of Tetrapturus belone (Istiophoridae) in the central Mediterranean Sea

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Old findings of the lessepsian immigrants Platycephalus indicus (Platycephalidae) and Saurida undosquamis (Synodontidae) along the Italian coasts

Diet of Tetrapturus belone (Istiophoridae) in the central Mediterranean Sea