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 the Is Are Are", Smith identified Elliott Smith and Royal Trux as his then-primary influences: "There's a huge influence that I really wanna establish on the record: Elliott Smith. On the first record, we kind of eschewed pop structure – it was much more influenced by German psychedelic bands like Kluster, La Düsseldorf, Neu! or Can. But listening to Elliott has brought me into pop structure – verses and choruses and pre-choruses – stuff that I never really found interesting before. Also, I'm inspired by Royal Trux's "Accelerator" and their self-titled record – there's something so chaotic about it." DIIV announced they would