Thornback Ray

Raja clavata Linnaeus 1758

DZMB. Thomas Knebelsberger. Year: 2012. cc-by-nc-sa-3.0

Raja clavata (Thornback Ray) is a species of Rajiformes in the family skates. They are carnivores. Individuals are known to live for 12 years and can grow to 139 cm. Reproduction is oviparous and iteroparous.

URI: https://www.wikidata.org/entity/Q81875
Definition: organism that eats mostly or exclusively animal tissue
Attribution: Crustacean body sizes

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

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EOL has data for 32 attributes, including:

parasitized by
- URI: http://purl.obolibrary.org/obo/RO_0002445
- Comment: Auto-added during harvest #37. A human needs to edit this.
- Attribution: Global Biotic Interactions
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Raja clavata Linnaeus 1758 (Thornback ray)
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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115 cm
body size
- URI: http://purl.obolibrary.org/obo/OBA_VT0100005
- Definition: The size of a multicellular organism
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139 cm
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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Sea Of Marmara
- URI: http://www.marineregions.org/mrgid/3369
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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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river
- URI: http://purl.obolibrary.org/obo/ENVO_01000253
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habitat includes
- URI: http://eol.org/schema/terms/Habitat
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gravel
- URI: http://purl.obolibrary.org/obo/ENVO_01000018
- Definition: Gravel is an environmental material which is composed of pieces of rock that are at least two millimeters (2mm) in its largest dimension and no more than 75 millimeters.
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has ectoparasite
- URI: http://purl.obolibrary.org/obo/RO_0002633
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Raja clavata Linnaeus 1758 (Thornback ray)
has endoparasite
- URI: http://purl.obolibrary.org/obo/RO_0002635
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Raja clavata Linnaeus 1758 (Thornback ray)
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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365 days
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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15 years
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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3.997 degrees celsius
weight
- URI: http://purl.obolibrary.org/obo/PATO_0000128
- Definition: A physical quality inhering in a bearer that has mass near a gravitational body.
- Comment: Ontology Description: http://bioportal.bioontology.org/ontologies/PATO Ontology Source: http://purl.obolibrary.org/obo/pato.owl
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9900 g

Known occurrences, collected specimens and observations of Thornback ray. View this species on GBIF

DZMB. Thomas Knebelsberger. Year: 2012. cc-by-nc-sa-3.0