Australian Grayling

Prototroctes maraena Günther 1864

Prototroctes maraena (Australian Grayling) is a species of ray-finned fishes in the family New Zealand smelts. They are listed as near threatened by IUCN. They are associated with freshwater habitat. Individuals are known to live for 6 years and can grow to 33.0 cm.

URI: http://eol.org/schema/terms/nearThreatened
Definition: A taxon is Near Threatened when it has been evaluated against the criteria but does not qualify for Critically Endangered, Endangered or Vulnerable now, but is close to qualifying for or is likely to qualify for a threatened category in the near future
Source: http://www.iucnredlist.org/apps/redlist/details/18383

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

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EOL has data for 13 attributes, including:

body size
- URI: http://purl.obolibrary.org/obo/OBA_VT0100005
- Definition: The size of a multicellular organism
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18 cm
conservation status
- URI: http://rs.tdwg.org/ontology/voc/SPMInfoItems#ConservationStatus
- Definition: degree of conservation concern as assessed by a government agency or other recognized authority such as IUCN or CITES
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near threatened
- URI: http://eol.org/schema/terms/nearThreatened
- Definition: A taxon is Near Threatened when it has been evaluated against the criteria but does not qualify for Critically Endangered, Endangered or Vulnerable now, but is close to qualifying for or is likely to qualify for a threatened category in the near future
- Attribution: http://www.iucnredlist.org/technical-documents/categories-and-criteria
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geographic distribution includes
- URI: http://eol.org/schema/terms/Present
- Definition: This organism is known to be present in this location or region. Not exclusive; other regions may also be reported.
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great Australian Bight
- URI: http://www.marineregions.org/gazetteer.php?p=details&id=4276
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habitat
- URI: http://rs.tdwg.org/dwc/terms/habitat
- Definition: A category or description of the habitat in which the Event occurred.
- Comment: Example: "oak savanna", "pre-cordilleran steppe"
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freshwater habitat
- URI: http://purl.obolibrary.org/obo/ENVO_00002037
- Definition: A habitat that is in or on a body of water containing low concentrations of dissolved salts and other total dissolved solids (<0.5 grams dissolved salts per litre).
- Comment: Ontology Description: http://environmentontology.org/ Ontology Source: http://envo.googlecode.com/svn/trunk/src/envo/envo.owl
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habitat includes
- URI: http://eol.org/schema/terms/Habitat
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small river
- URI: http://purl.obolibrary.org/obo/ENVO_00000890
- Comment: "Small" is ambiguous. For details on "Small rivers" (e.g. the Salween river) see http://worldwildlife.org/biomes/small-river-ecosystems. This class will be replaced with a less ambiguous class.
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has ectoparasite
- URI: http://purl.obolibrary.org/obo/RO_0002633
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Lernaea cyprinacea cyprinacea
life span
- URI: http://purl.obolibrary.org/obo/PATO_0000050
- Definition: A time quality inhering in a bearer by virtue of the bearer's expected maximum age.
- Comment: Ontology Description: http://obofoundry.org/wiki/index.php/PATO:Main_Page Ontology Source: http://purl.obolibrary.org/obo/pato.owl
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6 years
population trend
- URI: http://eol.org/schema/terms/population_trend
- Definition: i.e., increasing, decreasing, stable, or unknown
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Decreasing
Total length
- URI: http://purl.org/obo/owlATOL_0001660
- Definition: length from the tip of the snout to the tip of the longer lobe of the caudal fin, usually measured with the lobes compressed along the midline. It is a straight-line measure, not measured over the curve of the body
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33.0 cm
total life span
- URI: http://purl.obolibrary.org/obo/VT_0001661
- Definition: The full period of time from birth to death of an organism.
- Comment: Ontology Description: http://bioportal.bioontology.org/ontologies/VT
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6 years
water depth
- URI: http://rs.tdwg.org/dwc/terms/verbatimDepth
- Definition: The depth of seawater at a location where this organism has been observed or collected.
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0 m

Known occurrences, collected specimens and observations of Australian grayling. View this species on GBIF