Sharks have five to seven gill openings along each side of the head, through which they breathe. Primarily marine fishes, a few have adapted to fresh water, such as the Northern River shark and ...

The area is home to a spectacular range of plants and animals, including crocodiles, barramundi, speartooth sharks, the spectacularly coloured Leichhardt’s grasshopper and flocks of magpie geese. Some ...

The area is home to a spectacular range of plants and animals, including crocodiles, barramundi, speartooth sharks , the spectacularly coloured Leichhardt's grasshopper and flocks of magpie geese.

Land based marine pollution Poor water quality and sediment quality are the most serious known pollution issues affecting Australia's coastal and marine environments. The 1995 State of the Marine ...