Potamon fluviatile and covers parts of many countries with a Mediterranean coastline. It is found in mainland Italy and on the Balkan Peninsula from Dalmatia to the Axios River in Greece. It is also found on a number of islands, including Sicily, Malta and Gozo, the Ionian Islands, Aegean Islands, Sporades and Andros in the Cyclades. Although the species as a whole is widespread, it is declining in numbers, and these insular populations are particularly vulnerable. "Potamon fluviatile" is widely distributed in much of mainland Italy, especially in the provinces of Trento, Lombardy, Veneto, Liguria, Tuscany, Umbria, Lazio, Campania, Apulia, and Calabria,
Something Is Out There worsened. The series was canceled after only six one-hour episodes were broadcast, with two additional episodes produced but not broadcast at the time except in isolated cases in the US. Due to its short run, the series is not often found in syndication, but the Sci-Fi Channel did include it as part of a rotation of short-lived series, including broadcasting the previously unaired episodes. An edited down version of the miniseries has aired as a syndicated television movie. Originally conceived by Frank Lupo in 1987 with the title "Invader", NBC ordered a four-hour mini-series for broadcast on May 8, 1988