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 Outlook Report 2009 identified climate change as one of the greatest threats to the long-term health of the Great Barrier Reef.Climate change may affect the Reef in a number of ways, including: 1  Increased frequency of severe weather events.2  Ocean acidification.3  Rising sea temperature.he Great Barrier Reef Outlook Report 2009 identified climate change as one of the greatest threats to the long-term health of the Great Barrier Reef.