Milk Shark

Rhizoprionodon acutus (Rüppell 1837)

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Rhizoprionodon acutus (Milk Shark) is a species of modern sharks in the family requiem sharks. They are associated with freshwater habitat. Individuals are known to live for 8 years and can grow to 180 cm. Reproduction is viviparous and iteroparous.

URI: http://purl.obolibrary.org/obo/ENVO_00000873
Definition: A biome that applies to the freshwater realm.

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URI: http://www.marinespecies.org/traits/Viviparous
Definition: 1) Producing live offspring from within the body of the parent (Lincoln et al., 1998). 2) Development of an embryo within the body of the parent, in part, resources passing directly from parent to embryo (Barnes et al., 2006).
Attribution: Lincoln, R., Boxshall, G. & Clark, P., 1998. A dictionary of ecology, evolution and systematics (2nd ed.). Cambridge: Cambridge University of Press. Barnes R.S.K., Calow P., Olive P.J.W., Golding, D.W, and Spicer, J.I. 2006. The invertebrates: a new synthesis, Oxford: Blackwell Science Ltd. http://www.marinespecies.org/traits/wiki/Traits:Viviparous

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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 30 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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Rhizoprionodon acutus (Rüppell 1837) (Milk shark)
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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180 cm
body size
- URI: http://purl.obolibrary.org/obo/OBA_VT0100005
- Definition: The size of a multicellular organism
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80.8 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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Saudi Arabia
- URI: http://www.geonames.org/102358
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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 mouth
- URI: http://purl.obolibrary.org/obo/ENVO_00000386
- Definition: The end of a stream where it enters a standing water body such as a lake, sea or ocean.
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habitat includes
- URI: http://eol.org/schema/terms/Habitat
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sea sand
- URI: http://purl.obolibrary.org/obo/ENVO_00002118
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has ectoparasite
- URI: http://purl.obolibrary.org/obo/RO_0002633
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Rhizoprionodon acutus (Rüppell 1837) (Milk shark)
has endoparasite
- URI: http://purl.obolibrary.org/obo/RO_0002635
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Rhizoprionodon acutus (Rüppell 1837) (Milk shark)
population trend
- URI: http://eol.org/schema/terms/population_trend
- Definition: i.e., increasing, decreasing, stable, or unknown
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Unknown
social system
- URI: http://eol.org/schema/terms/SocialSystem
- Definition: Description of the relationships among individuals within a population of organisms, including reproductive relationships (mating system), relationships within each sex, adult – young interactions, helpers and cooperation (group living).
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group living
- URI: http://eol.org/schema/terms/socialGroupLiving
- Definition: where individuals of the same species (conspecifics), maintain spatial proximity with one another over time with mechanisms of social attraction
- Attribution: https://en.wikipedia.org/wiki/Group_living
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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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18.528 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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2750 g

Known occurrences, collected specimens and observations of Milk shark. View this species on GBIF