Sleeper Rays

Narkidae

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Narkidae (sleeper rays) is a family of electric ray.

EOL has data for 29 attributes, including:

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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nektobenthic
- URI: http://eol.org/schema/terms/nektobenthic
- Definition: Active swimming organisms that live near the bottom a body of water.
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mineralized tissue
- URI: http://purl.obolibrary.org/obo/UBERON_4000013
- Definition: A specialized form of biogenic tissue in which the extracellular matrix is mineralized, and which functions in mechanical and structural support.
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calcium phosphate
- URI: http://purl.obolibrary.org/obo/CHEBI_77635
- Definition: A calcium salt composed of calcium and phosphate/diphosohate ions; present in milk and used for the mineralisation of calcified tissues.
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motility
- URI: http://www.wikidata.org/entity/Q33596
- Definition: ability to move spontaneously and actively, consuming energy in the process
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actively mobile
- URI: http://eol.org/schema/terms/activelyMobile
- Definition: Organisms that move habitually, of their own volition.
- Attribution: http://paleodb.org/public/tips/ecology_tips.html
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skeletal tissue composition
- URI: http://purl.obolibrary.org/obo/OBA_1000106
- Definition: The composition of a skeletal tissue.
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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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trophic level
- URI: http://eol.org/schema/terms/TrophicLevel
- Definition: The position an organism occupies in a food chain.
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carnivore
- URI: http://www.wikidata.org/entity/Q81875
- Definition: organism that eats mostly or exclusively animal tissue
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sleeper rays includes 6 children:

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