Dugongs are listed globally as vulnerable to extinction. Populations world-wide have become increasingly fragmented and anecdotal evidence suggests that numbers are declining as a result of the loss and degradation of seagrass meadows, fishing pressures, Indigenous hunting and coastal pollution2.
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1. Marsh & Lefebvre, 1994
2. Marsh et al., 2001
Up to 3.5 m
Up to 420 Kg
A large proportion of the world's dugong population is found in northern Australian waters from Moreton Bay in the east to Shark Bay in the west.They occur in coastal waters and estuarine creeks and streams, feeding in wide, shallow protected bays, mangrove channels, and in the lee of large inshore islands where seagrass beds occur. They are also found in deeper water further offshore in areas where the continental shelf is wide, shallow and protected.
listed as 'Vulnerable' in Queensland (Nature Conservation Act 1992) and Marine and Migratory nationally (Environment Protection and Biodiversity Conservation Act 1999).