Potamon fluviatile Potamon fluviatile Potamon fluviatile is a freshwater crab found in or near wooded streams, rivers and lakes in Southern Europe. It is an omnivore with broad ecological tolerances, and adults typically reach in size during their 10–12 year lifespan. They inhabit burrows and are aggressive, apparently outcompeting native crayfish. "P. fluviatile" has been harvested for food since classical antiquity, and is now threatened by overexploitation. Many of the island populations are particularly vulnerable, and the Maltese subspecies has become a conservation icon. A population in Rome may have been brought there before the founding of the Roman Empire. Adult "Potamon
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