Bigthorn Skate

Rajella barnardi (Norman 1935)

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Rajella barnardi (Bigthorn Skate) is a species of Rajiformes in the family skates. Individuals can grow to 75.0 cm. They rely on pectoral fin swimming to move around.

URI: https://eol.org/schema/terms/pectoral_fins
Definition: swimming mainly using undulations of the pectoral fins

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EOL has data for 28 attributes, including:

Body symmetry
- URI: http://eol.org/schema/terms/body_symmetry
- Definition: overall repetitive or reflective pattern in the body of one individual of this taxon. eg: bilateral symmetry, rotational symmetry, radial symmetry
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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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auditory system
- URI: http://purl.obolibrary.org/obo/UBERON_0016490
- Definition: the sensory system for the sense of hearing
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otoliths
- URI: https://www.wikidata.org/entity/Q591800
- Definition: Inner-ear structure in vertebrates which detects acceleration and may detect acoustic signals
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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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70 cm
cellularity
- URI: http://purl.obolibrary.org/obo/PATO_0001992
- Definition: An organismal quality inhering in a bearer by virtue of the bearers consisting cells. [ PATOC:GVG ]
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multicellular
- URI: http://purl.obolibrary.org/obo/PATO_0001993
- Definition: A cellularity quality inhering in a bearer by virtue of the bearers consisting of more than one cell. [ PATOC:GVG ]
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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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Africa
- URI: http://www.geonames.org/6255146
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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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locomotion
- URI: http://purl.obolibrary.org/obo/GO_0040011
- Definition: Self-propelled movement of a cell or organism from one location to another.
- Attribution: [database_cross_reference: GOC:dgh]
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pectoral fin swimming
- URI: https://eol.org/schema/terms/pectoral_fins
- Definition: swimming mainly using undulations of the pectoral fins
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mineralized tissue contains
- URI: http://purl.obolibrary.org/obo/UBERON_4000013
- Definition: Component found in mineralized tissue, (a specialized form of biogenic tissue in which the extracellular matrix is mineralized)
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hydroxylapatite
- URI: http://purl.obolibrary.org/obo/CHEBI_52255
- Definition: A phosphate mineral with the formula Ca5(PO4)3(OH).
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population trend
- URI: http://eol.org/schema/terms/population_trend
- Definition: i.e., increasing, decreasing, stable, or unknown
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Stable
preys on
- URI: http://purl.obolibrary.org/obo/RO_0002439
- Definition: An interaction relationship involving a predation process, where the subject kills the target in order to eat it or to feed to siblings, offspring or group members
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Merluccius capensis Castelnau 1861 (Shallow-water Cape Hake)
sensory system
- URI: http://purl.obolibrary.org/obo/UBERON_0001032
- Definition: Anatomical system that overlaps the nervous system and is responsible for receiving and processing sensory information.
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electroreception
- URI: https://www.wikidata.org/entity/Q1326528
- Definition: detection and measurement of weak electric fields, via specialized sense organs and brain structures that process this information
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type specimen repository
- URI: http://eol.org/schema/terms/TypeSpecimenRepository
- Definition: The institution that holds a type specimen for a given species. The recommended best practice is to use the identifier in a collections registry such as the Biodiversity Collections Index (http://www.biodiversitycollectionsindex.org/).
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197908d0-5565-11d8-b290-b8a03c50a862

Known occurrences, collected specimens and observations of Bigthorn Skate. View this species on GBIF

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