Austalian Water Rat

Hydromys chrysogaster É. Geoffroy 1804

Andrew Allen cc-by-4.0

Hydromys chrysogaster (Austalian Water Rat) is a species of rodents in the family murid rodents. They are associated with freshwater habitat. They are native to Oceania continent (Australia, NZ and islands). They are solitary carnivores. Individuals are known to live for 74 months and can grow to 280 mm. They have parental care (female provides care). They rely on drag powered swimming to move around.

URI: http://purl.obolibrary.org/obo/ENVO_00000873
Definition: A biome that applies to the freshwater realm.

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URI: http://www.geonames.org/6255151

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URI: http://www.wikidata.org/entity/Q81875
Definition: organism that eats mostly or exclusively animal tissue

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URI: http://eol.org/schema/terms/solitary
Definition: Solitary animals are those that spend a majority of their lives without others of their species, with possible exceptions for mating and raising their young. Antonyms for a solitary animal include a social animal or a colonial animal.
Attribution: https://www.definitions.net/definition/solitary+animal

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URI: http://eol.org/schema/terms/parentalCareFemale
Definition: the female feeds and nurtures offspring
Attribution: Richard M. Sibly, Christopher C. Witt, Natalie A. Wright, Chris Venditti, Walter Jetz, and James H. Brown. 2012. Energetics, lifestyle, and reproduction in birds. PNAS 109(27):10937-10941, doi:10.1073/pnas.1206512109

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URI: https://eol.org/schema/terms/drag_based_swimming
Definition: Drag swimmers use a cyclic motion where they push water back in a power stroke, and return their limb forward in the return or recovery stroke. When they push water directly backwards, this moves their body forward, but as they return their limbs to the starting position, they push water forward, which will thus pull them back to some degree, and so opposes the direction that the body is heading. This opposing force is called drag. The return-stroke drag causes drag swimmers to employ different strategies than lift swimmers. Reducing drag on the return stroke is essential for optimizing efficiency.

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EOL has data for 63 attributes, including:

age at eye opening
- URI: http://eol.org/schema/terms/AgeAtEyeOpening
- Definition: Age at which both eyes are fully open after birth.
- Comment: Add to VT postnatal growth trait ontology
- Attribution: Kate E. Jones, Jon Bielby, Marcel Cardillo, Susanne A. Fritz, Justin O''Dell, C. David L. Orme, Kamran Safi, Wes Sechrest, Elizabeth H. Boakes, Chris Carbone, Christina Connolly, Michael J. Cutts, Janine K. Foster, Richard Grenyer, Michael Habib, Christopher A. Plaster, Samantha A. Price, Elizabeth A. Rigby, Janna Rist, Amber Teacher, Olaf R. P. Bininda-Emonds, John L. Gittleman, Georgina M. Mace, and Andy Purvis. 2009. PanTHERIA, a species-level database of life history, ecology, and geography of extant and recently extinct mammals. Ecology 90:2648. http://esapubs.org/archive/ecol/E090/184/
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13.66 days
age at maturity
- URI: http://eol.org/schema/terms/AgeAtMaturity
- Definition: Age at the first successful reproduction.
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158 days
body shape
- URI: http://eol.org/schema/terms/BodyShape
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bilaterally symmetric
- URI: http://purl.obolibrary.org/obo/PATO_0001324
- Definition: being symmetric about a plane running from frontal end to caudal end (head to tail), and having nearly identical right and left halves
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diet breadth
- URI: http://eol.org/schema/terms/DietBreadth
- Definition: Number of dietary categories eaten by an organism.
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2
diet includes
- URI: http://eol.org/schema/terms/Diet
- Definition: Information about the items eaten by this organism.
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arthropods
- URI: https://www.wikidata.org/entity/Q1360
- Definition: phylum of animals
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ecomorphological guild
- URI: http://eol.org/schema/terms/EcomorphologicalGuild
- Definition: organisms that share certain morphological traits due to adaptation to similar environments and ecological roles
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nectonic
- URI: http://www.marinespecies.org/traits/Nekton
- Definition: Active swimming organisms that live in the water column and are able to move independently of the water mass (adapted from Lincoln et al., 1998).
- Attribution: http://www.marinespecies.org/traits/wiki/Traits:Nekton
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geographic range (size of area)
- URI: http://eol.org/schema/terms/GeographicRangeArea
- Definition: The total extent of the geographic range of an organism.
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3891043.27 km^2
habitat breadth
- URI: http://eol.org/schema/terms/HabitatBreadth
- Definition: Number of habitat layers used by an organism
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3
inter-birth interval
- URI: http://eol.org/schema/terms/InterBirthInterval
- Definition: The length of time between successive births of a female.
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60 days
litters per year
- URI: http://eol.org/schema/terms/LittersPerYear
- Definition: Number of litters per female per year
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2.12
native range includes
- URI: http://eol.org/schema/terms/NativeRange
- Definition: Lists jurisdictions in which a given organism is a member of the undisturbed fauna or flora.
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Oceania continent (Australia, NZ and islands)
- URI: http://www.geonames.org/6255151
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prenatal development duration
- URI: http://eol.org/schema/terms/PrenatalDevelopmentDuration
- Definition: The duration of the development from fertilized, deposited or implanted egg to hatching/birth. Corresponds to egg incubation duration in oviparous animals and to gestation period duration in viviparous animals.
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36 days

Known occurrences, collected specimens and observations of Austalian Water Rat. View this species on GBIF

Andrew Allen cc-by-4.0