赫氏鰩

Raja radula Delaroche 1809

University of Bologna. Fausto Tinti, University of Bologna - Italy. Year: 2011. cc-by-nc-sa-3.0

Raja radula (赫氏鰩) is a species of Rajiformes in the family skates. They are listed as endangered by IUCN. Individuals can grow to 75 cm. Reproduction is iteroparous and oviparous.

URI: http://eol.org/schema/terms/endangered
Definition: A taxon is Endangered when the best available evidence indicates that it meets any of the \r\ncriteria A to E for Endangered, and it is therefore considered to be facing a very high risk of extinction in the wild.
Source: http://www.iucnredlist.org/apps/redlist/details/161339

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URI: http://polytraits.lifewatchgreece.eu/terms/STRAT_ITER
Definition: Breeding several times per lifetime.

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URI: http://www.marinespecies.org/traits/Oviparous
Definition: Egg laying; producing eggs that are laid and hatch externally (Lincoln et al., 1998).
Attribution: Lincoln, R., Boxshall, G. & Clark, P., 1998. A dictionary of ecology, evolution and systematics (2nd ed.). Cambridge: Cambridge University of Press. http://www.marinespecies.org/traits/wiki/Traits:Oviparous

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EOL has data for 25 attributes, including:

body length
- URI: http://purl.obolibrary.org/obo/CMO_0000013
- Definition: A measurement of the longest dimension of a body, typically between two distinct ends of the body.
- Attribution: [database_cross_reference: Dorland:Dorlands_Illustrated_Medical_Dictionary--31st_Ed] [database_cross_reference: ISBN:978-1416049982]
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75 cm
body size
- URI: http://purl.obolibrary.org/obo/OBA_VT0100005
- Definition: The size of a multicellular organism
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70 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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endangered
- URI: http://eol.org/schema/terms/endangered
- Definition: A taxon is Endangered when the best available evidence indicates that it meets any of the \r\ncriteria A to E for Endangered, and it is therefore considered to be facing a very high risk of extinction in the wild.
- 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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Aegean Sea
- URI: http://www.marineregions.org/mrgid/3315
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habitat
- URI: http://purl.obolibrary.org/obo/RO_0002303
- Definition: x has habitat y if: x is an organism, y is a habitat, and y can sustain and allow the growth of a population of x
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bay
- URI: http://purl.obolibrary.org/obo/ENVO_00000032
- Definition: An area of water bordered by land on three sides.
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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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marine
- URI: http://purl.obolibrary.org/obo/ENVO_00000569
- Definition: A habitat that is in or on a sea or ocean containing high concentrations of dissolved salts and other total dissolved solids (typically >35 grams dissolved salts per litre).
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habitat includes
- URI: http://eol.org/schema/terms/Habitat
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sea
- URI: http://purl.obolibrary.org/obo/ENVO_00000016
- Definition: A large expanse of saline water usually connected with an ocean.
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has endoparasite
- URI: http://purl.obolibrary.org/obo/RO_0002635
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Raja radula Delaroche 1809 (赫氏鰩)
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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50.0 cm
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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350 m
water temperature
- URI: http://eol.org/schema/terms/SeawaterTemperature
- Definition: Temperature of the water at a location where this organism has been observed or collected.
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16.259 degrees celsius

Known occurrences, collected specimens and observations of 赫氏鰩. View this species on GBIF

University of Bologna. Fausto Tinti, University of Bologna - Italy. Year: 2011. cc-by-nc-sa-3.0