The Bull shark (Carcharhinus leucas), or Zambezi shark, is a species of shark of the genus Carcharhinus. The shark grows to a maximum length of 11.5 feet (3.5 metres), but is usually 7.3-7.8 feet (2.2-2.3 metres) long.It is found in tropical and subtropical coastal waters worldwide, as well as river systems and freshwater lakes.he Bull shark (Carcharhinus leucas), or Zambezi shark, is a species of shark of the genus Carcharhinus. The shark grows to a maximum length of 11.5 feet (3.5 metres), but is usually 7.3-7.8 feet (2.2-2.3 metres) long.
There are a total of 51 countries in Asia. In 2013, the population of Asia is estimated at 4.299 billion. Russia is excluded from Asia's population, although there are about 40 million Russia ns who live in Asia, or east of the Ural Mountains.
How many countries are there in the world? Since South Sudan became an independent state on 9 July 2011, there are now 195 independent sovereign nations in the world (including disputed but defacto independent Taiwan), plus about 60 dependent areas, and five disputed territories, like Kosovo.