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
Is There Something I Should Know? Own Way". (See the "Duran Duran" video album for details.) The video was directed by Russell Mulcahy, and was one of the most popular videos of 1983 on MTV. When asked if there was anything about their videos they'd like to change, drummer Roger Taylor commented, "The only part of a video I would change is the end of "Is There Something I Should Know?" where I am singing to the camera. I look very uncomfortable doing this and cringe every time I see it to this day." The B-side to "Is There Something I Should Know?" in the UK