The Weedy Sea Dragon is the only species belonging to the Phyllopteryx genus. This fish species is a close relative of the seahorse and the Leafy Sea Dragon. It is found in different states of Australia.
NOAA is working to understand and address key threats to coral reef ecosystems: the impacts from global climate change, unsustainable fishing practices and pollution. The top threats to coral reefs â global climate change, unsustainable fishing and land-based pollution â are all due to human activities. These threats, combined with others such as tropical storms, disease outbreaks, vessel damage, marine debris and invasive species, exacerbate each other.
The Great Barrier Reef is the largest and best known coral reef ecosystem in the world. Its reefs, almost 3000 in total, represent about 10 per cent of all the coral reef areas in the world.he Government of Australia manages the reef through the Great Barrier Reef Marine Park Authority and in partnership with the Government of Queensland, to ensure that it is widely understood and used in a sustainable manner.