The movement of the hard drive's read/write heads over different areas of the disk when accessing fragmented files is slower, compared to accessing the entire contents of a non-fragmented file sequentially without moving the read/write heads to seek other fragments.
The giant oceanic manta ray can grow to a disc size of up to 7 m (23 ft) with a weight of about 1,350 kg (2,980 lb) but average size commonly observed is 4.5 m (15 ft). It is dorsoventrally flattened and has large, triangular pectoral fins on either side of the disc.
California Tiger Salamanders are considerably large for todays amphibians. The male can reach 8.5 inches long and the females 7 inches (NPWRC 2002, FWS 2003). Males differ from females in their overall size as well as their enlarged cloacae during breeding season (FWS 2003).