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 You Is or Is You Ain't My Baby in addition to its title, its melody is at times similar to that later used for "Is You Is or Is You Ain't My Baby." Bing Crosby and The Andrews Sisters recorded the song on June 30, 1944 for Decca Records and it too reached the No. 2 spot in the Billboard charts during a 12-week stay. Is You Is or Is You Ain't My Baby "Is You Is or Is You Ain't My Baby" is a Louis Jordan song, recorded on October 4, 1943, and released as the B-side of a single with "G.I. Jive". The song reached No.