Actinopyga crassa


Taxonomy [top]

Kingdom Phylum Class Order Family

Scientific Name: Actinopyga crassa
Species Authority: Panning, 1944

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2013
Date Assessed: 2010-05-18
Assessor(s): Conand, C.
Reviewer(s): Polidoro, B., Harwell, H., Carpenter, K.E. & Knapp, L.
This species is sometimes found in the aquarium trade and is found in East Africa and Madagascar, but no major threats are known.  Although it is a relatively large species, it is found in deeper waters.  It is listed as Least Concern, however more research is needed on its population and biology.

Geographic Range [top]

Range Description: This species occurs from eastern Africa and Madagascar, and is also distributed in Southeastern Arabia  (Clark and Rowe 1971).
Kenya; Madagascar; Mauritius; Mozambique; Réunion; Somalia; South Africa; Tanzania, United Republic of
FAO Marine Fishing Areas:
Indian Ocean – western
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: There is no available information on the population of this species.
Population Trend: Unknown

Habitat and Ecology [top]

Habitat and Ecology: This species is found at 25-40m depth on sand and rubble slopes.
Systems: Marine

Use and Trade [top]

Use and Trade: This species is used in the aquarium trade.

Threats [top]

Major Threat(s): There are no known major threats to this species, however it is rarely sold in the aquarium trade.

Conservation Actions [top]

Conservation Actions: There are no known conservation measures in place for this species, although its distribution directly overlaps with several marine protected areas.  More research is needed on this species' population levels, habitat, ecology, and its use in the aquarium trade.

Bibliography [top]

Clark, A.M. and Rowe, F.W.E. 1971. Monograph of shallow-water Indo-west Pacific Echinoderms. Trustees of the British Museum of Natural History, London.

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

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

Citation: Conand, C. 2013. Actinopyga crassa. The IUCN Red List of Threatened Species. Version 2014.3. <>. Downloaded on 01 April 2015.
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