IndigoBlue:
No shark is to be trifled with. But the ones you mention are definitely "miniatures" compared to the real landlords of Australia, South Africa, and California. Sweetie.
You *REALLY* need to do your research before you open your mouth and insert your leg....
Range Temperate waters of all oceans. On Atlantic Coast south from s. Newfoundland to Brazil (reported to Argentina), as well as Gulf of Mexico, Bahamas, Cuba, and Lesser Antilles. On Pacific Coast from Alaska south to Gulf of California.
http://www.enature.com/fieldguide/showSpeciesRECNUM.asp?recnum=fi0225
Western Atlantic: Newfoundland to Florida, Bahamas, Cuba, northern Gulf of Mexico;Brazil and Argentina.
Eastern Atlantic: France to Mediterranean, Madeira, Canary Islands, Senegal, Ghana, Zaire; Western Cape Province, South Africa.
Western Indian Ocean: South Africa, Seychelles Islands, Red Sea.
Western Pacific: Siberia (Russia), Japan, the Koreas, China, Bonin Islands, the Philippines, Indonesia, Australia (Queens land, New South Wales, Victoria,Tasmania, South and Western Australia), New Zealand, New Caledonia.
Central Pacific: Marshall Islands, Hawaiian Islands. Eastern Pacific: Gulf of Alaska to Gulf of California; Panama to Chile.
http://library.thinkquest.org/J001458/GreatShark.htm