Ruppia filifolia 


Taxonomy [top]

Kingdom Phylum Class Order Family
Plantae Tracheophyta Liliopsida Najadales Potamogetonaceae

Scientific Name: Ruppia filifolia
Species Authority: Skottsb.
Taxonomic Notes: The taxonomy of the Ruppia genus is uncertain due to difficulties of identification. Species can be extremely morphologically variable and respond to differing environmental conditions. Problems in species identification are linked to differences in environmental conditions.

Assessment Information [top]

Red List Category & Criteria: Data Deficient ver 3.1
Year Published: 2010
Date Assessed: 2007-10-23
Assessor(s): Short, F.T., Carruthers, T.J.R., Waycott, M., Kendrick, G.A., Fourqurean, J.W., Callabine, A., Kenworthy, W.J. & Dennison, W.C.
Reviewer(s): Livingstone, S., Harwell, H. & Carpenter, K.E.
There is little information available for this species and it is only known from a small number of records. The threats to this species are unknown. This species is listed as Data Deficient. Research on the taxonomy, distribution and threats are recommended.

Geographic Range [top]

Range Description:This species is known from Chile (Skottsberg 1916), Argentina and Peru (Blanca and Young 1996) and the Falkland Islands (Moore 1973, Broughton and McAdam 2005).
Countries occurrence:
Argentina; Chile; Falkland Islands (Malvinas); Peru
FAO Marine Fishing Areas:
Atlantic – southwest; Pacific – southeast
Lower depth limit (metres):46
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:There is no population information available for R. filifolia. There are only a few records of this species.
Current Population Trend:Unknown
Additional data:
Population severely fragmented:No

Habitat and Ecology [top]

Habitat and Ecology:This species inhabits standing open water (brackish) and brackish creeks, and less commonly, freshwater (Moore 1973, Broughton and McAdam 2005). This species has branched filiform stems up to 40 cm in length and dark green leaves up to 20 cm in length (Moore 1973).
Systems:Freshwater; Marine
Generation Length (years):1

Threats [top]

Major Threat(s): The threats to this species are unknown.

Conservation Actions [top]

Conservation Actions: There are no known conservation measures for this species. Research on the taxonomy, distribution and threats are recommended for this species.

Classifications [top]

5. Wetlands (inland) -> 5.1. Wetlands (inland) - Permanent Rivers/Streams/Creeks (includes waterfalls)
suitability: Marginal  
9. Marine Neritic -> 9.9. Marine Neritic - Seagrass (Submerged)
suitability: Suitable  
9. Marine Neritic -> 9.10. Marine Neritic - Estuaries
suitability: Suitable  
13. Marine Coastal/Supratidal -> 13.4. Marine Coastal/Supratidal - Coastal Brackish/Saline Lagoons/Marine Lakes
suitability: Suitable  major importance:Yes

In-Place Research, Monitoring and Planning
In-Place Land/Water Protection and Management
In-Place Species Management
In-Place Education
1. Research -> 1.1. Taxonomy
1. Research -> 1.2. Population size, distribution & trends
1. Research -> 1.3. Life history & ecology
1. Research -> 1.5. Threats
3. Monitoring -> 3.1. Population trends

Bibliography [top]

Blanca, L. and Young, K.R. 1996. Aquatic plants of Peru: diversity, distribution and conservation. Biodiversity and Conservation 5(10): 1169-1190.

Broughton, D.A. and McAdam, J.H. 2005. A Checklist of the Native Vascular Flora of the Falkland Islands (Islas malvinas): new information on the species present, their ecology, status and distribution. Journal of the Torrey Botanical Society 132(1): 115-148.

IUCN. 2010. IUCN Red List of Threatened Species (ver. 2010.3). Available at: (Accessed: 2 September 2010).

Moore, D.M. 1973. Additions and admendments to the vascular flora of the Falkland Islands. British Antartic Survey Bulletin 32: 85-88.

Skottsberg, C.J.F. 1916. Die VegetationsverhƤltnisse langs der Cordillera de los Andes S. von 41Ā° S. Kungliga Svenska Vetenskaps-Akademiens Handlingar 56(5): 1-366.

Citation: Short, F.T., Carruthers, T.J.R., Waycott, M., Kendrick, G.A., Fourqurean, J.W., Callabine, A., Kenworthy, W.J. & Dennison, W.C. 2010. Ruppia filifolia. In: The IUCN Red List of Threatened Species 2010: e.T173362A6999534. . Downloaded on 26 November 2015.
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