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
What It Is to Burn at the Reading and Leeds Festivals in the UK. In September, the group performed a few shows in Japan. In October and November, the band went tour across the US alongside New Found Glory, Something Corporate and Further Seems Forever. In November and December, the group went on a UK tour with From Autumn to Ashes and Coheed and Cambria. Around this time, the group signed to MCA Records. MCA had a distribution deal that allowed them to acquire Drive-Thru Records' bands over a period of time. In January 2003, "What It Is to Burn" was released as a radio