This paper reports the second record but also the first substantiated record of cusk-eel Ophidion barbatum (Linnaeus, 1758) from the northern coast of Tunisia, 168 mm in total length and weighing 18.3 g. The specimen is described including morphometric measurements and counts. Differences from its close relative species O. rochei (Linnaeus, 1758) are pointed out that confirm the occurrence of O barbatum...
Insight from theory has shown the usefulness of considering time lags in both plant and animal invasions, but this topic has yet to be fully explored with real examples. Here we define and investigate several types of lags using Red Sea fish invasions of the Mediterranean as a case study. By exploring both conceptual and analytical aspects of time lags, we suggest that this concept can be applied...
The toothy goby, Pleurosicya mossambica Smith, 1959, is recorded for the first time from Eilat, Israel, Gulf of Aqaba. The status of Pleurosicya sinaia Goren, 1984 is discussed; that nominal species is treated as a junior synonym of P. mossambica.
Two specimens of imperial blackfish, Schedophilus ovalis (Cuvier 1829), were found for the first time off the Tunisian coast, in northern area. Both specimens are described, and occurrence of the species in the area and the Mediterranean Sea is discussed and commented.
The Senegalese sole, Solea senegalensis Kaup, 1858, was recorded for the first time from the southeastern Mediterranean near Tel-Aviv, Israel on 17 May 2013. This eastern Atlantic species is rare in the western Mediterranean, but now also documented from the southeastern Mediterranean.
A specimen of the Red Sea and western Indian Ocean Pomacanthus maculosus was collected from the Mediterranean coast of Israel. This record constitutes the first substantiated record from this region. In the case of a previous record of this species from Lebanon, no specimen was preserved. These two records, in addition to a video clip, an underwater photograph and several observations of this species...
The stonefish, Synanceia verrucosa Bloch et Schneider, 1801, was recorded for the first time in the Mediterranean. The fish was caught by trammel net, at a depth of 3 m, recorded on video and then released. Its occurrence is presumed to be due to either Lessepsian migration or as an escapee from aquaria.
The burrowing goby, Trypauchen vagina, is recorded for the first time in the Mediterranean. It is believed that it reached the Mediterranean from the Red Sea, despite the lack of a record from there, due to its well documented presence in the Arabian Gulf.
The lesser amberjack, Seriola fasciata, was recorded for the first time in the Levant. This species was known hitherto from the Atlantic Ocean and western and central Mediterranean and southeastern Aegean Sea.
Three specimens of the Indo-Pacific Bluespotted cornetfish Fistularia commersonii are recorded for the first time from the Mediterranean. The presence of this species in the Mediterranean is due to migration from the Red Sea via the Suez Canal.
A parasitic isopod, Livoneca sp. (Flabellifera: Cymothoidae), is reported from silverside Atherinomorus lacunosus in the Red Sea. The female isopod settles on the fish's tongue. Presence of a gravid female in the oral cavity was always associated with that of a single, smaller male occupying the gill chamber. Approximately 3.6 % of the fish examined were found to be infested with the parasites...
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