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
If This Is Love Am I Gonna Do?", written and produced by Duck Blackwell and Paddy Dalton. The Saturdays collaborated with Ina Wroldsen on a number of songs; eight were chosen for the album. "If This Is Love" was then released as the first single from it. The song has prominent electropop and dance-pop genre characteristics. It contains lyrical influences from love-hate relationships, the definition of love and its complications that can result in situations of stalking. "If This Is Love" received mainly positive reviews from contemporary music critics. On 3 August 2008, the single debuted and peaked at number eight on the UK