Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Echinodermata Holothuroidea Aspidochirotida Holothuriidae

Scientific Name: Actinopyga serratidens
Species Authority: Pearson, 1903
Taxonomic Notes: This species has three subspecies which are: A. serratidens agassizii, A. serratidens serratidens, and A. serratidens bannwarthi (Samyn et al. 2006).

Assessment Information [top]

Red List Category & Criteria: Data Deficient ver 3.1
Year Published: 2013
Date Assessed: 2010-05-19
Assessor(s): Hamel, J.-F.
Reviewer(s): Polidoro, B., Harwell, H., Carpenter, K.E. & Knapp, L.

This species appears to be relatively widespread, but it is only known from a few specimens. Given its very shallow water habitat, it may be susceptible to a number of anthropogenic threats.  There is very little known on this species distribution, population status, habitat, ecology, or impact of any potential major threats. It is listed as Data Deficient.

Geographic Range [top]

Range Description:This species is found in east Africa (Madagascar) and the Red Sea (Jordan), as well as Sri Lanka, the Philippines and Australia.
Countries occurrence:
Australia; Madagascar; Philippines; Sri Lanka
FAO Marine Fishing Areas:
Indian Ocean – eastern; Indian Ocean – western; Pacific – western central
Lower depth limit (metres):5
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:There is no information available on the population of this species.
Current Population Trend:Unknown
Additional data:
Population severely fragmented:No

Habitat and Ecology [top]

Habitat and Ecology:This species is found in coastal environments and has been taken from tidal pools.  In New Caledonia it is found in association with the Cyclopoid Copepod, Scambicornus calcaratus (Humes 1975).

Threats [top]

Major Threat(s): It is not known if there are any threats to this species.

Conservation Actions [top]

Conservation Actions: There are no known conservation measures in place for this species. However, its distribution directly overlaps with several marine protected areas. More research is needed on the biological and ecological information of this species as well as its population levels throughout its distribution.

Classifications [top]

12. Marine Intertidal -> 12.6. Marine Intertidal - Tidepools
suitability: Suitable  

In-Place Research, Monitoring and Planning
In-Place Land/Water Protection and Management
  Occur in at least one PA:Yes
In-Place Species Management
In-Place Education
1. Research -> 1.2. Population size, distribution & trends
1. Research -> 1.3. Life history & ecology

Bibliography [top]

Humes, A.G. 1975. Cyclopoid Copepods (Nanaspididae and Sabelliphilidae) Associated with Holothurians in New Caledonia. Smithsonian Contributions to Zoology Number 202. Smithsonian Institution Press, Washington, D.C.

IUCN. 2013. IUCN Red List of Threatened Species (ver. 2013.1). Available at: (Accessed: 12 June 2013).

Samyn, Y., Vandenspiegel, D. and Massin, C. 2006. A new Indo-Pacific species of Actinopyga (Holothuroidea: Aspidochirotida: Holothuriidae). Zootaxa 1138: 53-68.

World Database of Protected Areas. 2010. Marine Protected Areas. Available at: (Accessed: 1 December).

Citation: Hamel, J.-F. 2013. Actinopyga serratidens. In: The IUCN Red List of Threatened Species 2013: e.T180357A1619801. . Downloaded on 04 October 2015.
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