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 a Man Mussolini's racial laws. In 1942 he found a position with a Swiss drug company in Milan. With the German occupation of northern and central Italy in 1943, Levi joined a partisan group in Valle d'Aosta in the Alps. He was arrested in December 1943 and transported to Auschwitz in February 1944. He remained there until the camp was liberated on 27 January 1945. "If This Is a Man" recounts his experiences in the camp. Levi began to write in February 1946, with a draft of what would become the final chapter recording his most recent memories of Auschwitz. According to