Gold Coast
flora and fauna

A guide to the plants and animals that make our city one of the most biodiverse in Australia.
Phylum
CHORDATA
Class
MAMMALIA
Family
MURIDAE
Genus
Hydromys
Species
chrysogaster
Has fauna
True
Mapping

Common Name
Water Rat
Alternate name
Native Water Rat
Is historical
False
No images were found for this Species
QLD
NSW
EPBC
APC
ROTAP
Comment
Probably widespread along watercourses.
LGA significant
False
Stronghold population
False
Wildnet record
False
Museum listing
True
Introduced
False
Qld Census
False
Regionally significant/rationale
False
Restricted distribution/rationale
False
Abundance
Uncommon
Historical abundance
Possibly declining
Endemicity
Overall distribution
Eastern, northern and southern Australia
Local distribution
Widespread. Associated with waterways in all habitats including lowland suburban canals
Known location
Bundall, Coombabah, Springbrook, Runaway Bay, Gaven, Southport, Guanaba, Natural Bridge
Other locality
Not known. This secretive native rodent is rarely trapped or observed. Evidence elsewhere suggests it is able to survive well in moderately degraded areas, wherever water and dense vegetation remain. Grassy foreshore vegetation surrounding the Robina Lakes has the potential to provide suitable habitat and conditions for this species.
Riparian dependent
True
Wetland dependent
True
Forest dependent
False
Hollow dependent
False
Terrestrial
True
Estuarine
True
Marine
False
General ecology
Streams, rivers, lakes, dams.
Specific ecology
Needs fringing vegetation for cover.
Habitat
Habitat comment
Threats
Destruction of wetlands by reclamation, draining, piping.
Management
Community type
Migratory
False
Migration notes
Feeding status
Feeding strategy
Feeding substrate
Diet
Primarily consists of crustaceans, insects and fish. Small birds, frogs, spiders and reptiles are occasionally eaten.
Reproduction
Breeding season
Active period
Active season
Social group
Behaviour
Range
Biology
Grows to 40 cm in length, has partially-webbed hind feet, water-repellent fur and a tail that is tipped white.
Growth form
Description
One of only two Australian mammals living in freshwater, the other being the platypus.
Taxonomy Comments
Species comments
Citations