Potamon fluviatile crabs' unusual size, up to , and longevity (up to 15 years) are also interpreted as evidence of a long-established population, by analogy with island gigantism. On the island of Malta, "Potamon fluviatile" is rare and restricted to a few locations in the west of the island. On Gozo, there is a single population which inhabits a stretch of river only long. In the Balkan Peninsula, "Potamon fluviatile" is known to occur in Croatia, Montenegro, the Republic of Macedonia, Albania and Greece. There are four species of "Potamon" in the Balkans, and "P. fluviatile" is replaced by "Potamon ibericum" in
Something Is Out There a beautiful medical officer from that ship, Ta'Ra (Maryam d'Abo), to track down the villain. Ta'Ra has assorted superhuman abilities, including telepathy and superhuman agility, which come in handy during the mission. The miniseries drew high ratings for NBC and critics noted the chemistry between Jack and Ta'Ra as one of its high points. One week after its ratings success, Brandon Tartikoff announced it would become a weekly series. 13 episodes were ordered. "Something Is Out There" fared poorly opposite the very successful "Dallas" and the show was later moved to compete with "Beauty and the Beast" where ratings only