Alexander's Sea Urchin

Gracilechinus alexandri (Danielssen & Koren 1883)

Gracilechinus alexandri (Alexander's Sea Urchin) is a species of echinoderms in the family Echinidae. Dead Alexander's Sea Urchin form shallow marine sediments. They are omnivores. They have sexual reproduction.

URI: http://purl.obolibrary.org/obo/NCIT_C25513
Definition: combine to create (something), eg: a structure

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URI: http://purl.obolibrary.org/obo/ENVO_03000034
Definition: Marine sediment that accumulates within shallow regions of the oceanic basin close to continents, such as the continental shelf, or continental slope

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URI: https://www.wikidata.org/entity/Q164509
Comment: Auto-added during harvest #1048. A human needs to edit this.
Attribution: Crustacean body sizes

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URI: http://purl.obolibrary.org/obo/GO_0019953
Definition: Capable of creating a new organism by combining the genetic material of two gametes, which may come from two parent organisms or from a single organism, in the case of self-fertilizing hermaphrodites.

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EOL has data for 23 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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pentaradial symmetry
- URI: http://eol.org/schema/terms/pentaradially_symmetric
- Definition: radial symmetry with a five-fold repeating pattern
- Attribution: https://en.wikipedia.org/wiki/Symmetry_in_biology#Subtypes_of_radial_symmetry
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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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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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epibiotic
- URI: http://www.wikidata.org/entity/Q640114
- Definition: organism that lives on the surface of another living organism
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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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North Atlantic
- URI: http://www.marineregions.org/mrgid/1912
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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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hydrothermal vent
- URI: http://purl.obolibrary.org/obo/ENVO_01000030
- Definition: The marine hydrothermal vent biome comprises regions of the marine benthic biome where heat generated due to tectonic activity, either at divergent plate boundaries or convergent ocean plates where back-arc spreading occurs, is released or 'vented' to the surface. The resultant high temperature water jets are laden with dissolved metals and minerals.
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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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omnidirectional
- URI: https://eol.org/schema/terms/omnidirectional
- Definition: existing in every direction
- Attribution: https://en.wikipedia.org/wiki/Omnidirectional
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reproduction
- URI: http://purl.obolibrary.org/obo/GO_0000003
- Definition: The production of new individuals that contain some portion of genetic material inherited from one or more parent organisms
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sexual reproduction
- URI: http://purl.obolibrary.org/obo/GO_0019953
- Definition: Capable of creating a new organism by combining the genetic material of two gametes, which may come from two parent organisms or from a single organism, in the case of self-fertilizing hermaphrodites.
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supporting structures and enclosures
- URI: http://www.marinespecies.org/traits/SupportingStructuresEnclosures
- Definition: Hard framework, internal or external, which supports and protects softer parts of plant, animal or unicellular organism, and to which muscles usually attach in animals, includes skeletons (derived from Lawrence, 2005).
- Attribution: http://www.marinespecies.org/traits/wiki/Traits:SupportingStructuresEnclosures Lawrence, E. (ed.) (2005) Henderson's dictionary of Biology (13th edition). London, United Kingdom: Pearson Education Limited.
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endoskeleton
- URI: http://purl.obolibrary.org/obo/UBERON_0010362
- Definition: internal support structure of an animal, composed of mineralized tissue.
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trophic level
- URI: http://www.wikidata.org/entity/Q1053008
- Definition: position of an organism in a food web. May be described verbally with descriptors including primary producer, herbivore or carnivore. If described numerically, 1 indicates a primary producer, 2 a herbivore, and so on up the food web.
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omnivore
- URI: https://www.wikidata.org/entity/Q164509
- Comment: Auto-added during harvest #1048. A human needs to edit this.
- Attribution: Crustacean body sizes
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visual system
- URI: http://purl.obolibrary.org/obo/UBERON_0002104
- Definition: The sensory system subserving the sense of vision.
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photoreceptor cell
- URI: http://purl.obolibrary.org/obo/BTO_0001060
- Definition: A specialized cell type in a multicellular organism that is sensitive to light.
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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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2775 m

Known occurrences, collected specimens and observations of Alexander's sea urchin. View this species on GBIF