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Thalassenchelys foliaceus 

Scope: Global
Language: English
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Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Chordata Actinopterygii Anguilliformes Chlopsidae

Scientific Name: Thalassenchelys foliaceus Castle & Raju, 1975
Taxonomic Notes: The family placement of this species is uncertain (W. Eschmeyer pers. comm. 2009).

Assessment Information [top]

Red List Category & Criteria: Data Deficient ver 3.1
Year Published: 2010
Date Assessed: 2009-01-29
Assessor(s): Acero, A., Murdy, E. & Smith, D.
Reviewer(s): Collen, B., Richman, N., Beresford, A., Chenery, A. & Ram, M.
Contributor(s): De Silva, R., Milligan, H., Lutz, M., Batchelor, A., Jopling, B., Kemp, K., Lewis, S., Lintott, P., Sears, J., Wilson, P., Smith, J. & Livingston, F.
Justification:
Thalassenchelys foliaceus has been assessed as Data Deficient.  This species is only known from larval specimens; there is no record of adults being found.  Since there is no information at all about the adult population, nothing is known about trends in population size, the full range of the species, its habitat requirements or threats. Further research is needed on the taxonomy, distribution, biology, ecology, habitat and potential threats to this species (particularly for the adult fish) before a more accurate assessment of its conservation status can be made.

Geographic Range [top]

Range Description:Larvae of Thalassenchelys foliaceus have been found in tropical waters from Madagascar to New Caledonia and the South China Sea. The range of the adult part of the population is not known.
FAO Marine Fishing Areas:
Native:
Indian Ocean – western; Indian Ocean – eastern; Pacific – western central
Additional data:
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:As Thalassenchelys foliaceus is known only from larvae, no information is available on its population size or trends.
Current Population Trend:Unknown
Additional data:
Population severely fragmented:No

Habitat and Ecology [top]

Habitat and Ecology:Nothing is known about the habitat requirements of Thalassenchelys foliaceus. Other members of the genus are found in the shallow photic zone, at depths of 0–50 m. It is yet to be determined if these are indicative of the depth profile of T. foliaceaus.
Systems:Marine

Threats [top]

Major Threat(s): It is unknown whether Thalassenchelys foliaceus is being impacted by any major threat processes.

Conservation Actions [top]

Conservation Actions: There are no species-specific conservation measures in place for Thalassenchelys foliaceus. However, its distribution may fall within a number of designated marine protected areas (MPAs), including several in New Caledonia.

Further research is needed on the taxonomy, distribution, ecology, biology, habitat preferences, and potential threats to this species.  In particular, information on the adult stage is required.

Citation: Acero, A., Murdy, E. & Smith, D. 2010. Thalassenchelys foliaceus. The IUCN Red List of Threatened Species 2010: e.T154642A4595555. . Downloaded on 16 October 2018.
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