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 or Nothing four chords: D,A,C and G. The song has been performed during Uriah Heep live concerts, and was included on their second live album "Live at Shepperton '74" as the fourth track. Something or Nothing "Something or Nothing" is a song by British rock band Uriah Heep. The song was written by Ken Hensley, Mick Box and Gary Thain and sung by David Byron. The song is the sixth track on their seventh album "Wonderworld", it is also the first track on the second side of the album. "Something or Nothing" was recorded in Munich, Germany, in a studio called "Musicland"