Chalixodytes tauensis 

Scope: Global
Language: English

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Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Chordata Actinopterygii Perciformes Creediidae

Scientific Name: Chalixodytes tauensis Schultz, 1943
Common Name(s):
English Saddled Sandburrower, Pale Sand-diver
Chalixodytes chamaleontoculus Smith, 1956
Taxonomic Source(s): Eschmeyer, W.N. (ed). 2014. Catalog of Fishes. Updated 6 October 2014. Available at: (Accessed: 6 October 2014).
Taxonomic Notes: Creediidae tauensis may be conspecific with Chalixodytes chameleontoculis of the western Indian Ocean (J. Nelson pers. comm. 2009). There is doubt as to whether this is in fact a valid species.

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2010
Date Assessed: 2009-01-27
Assessor(s): Nelson, J., Matsuura, K., Collette, B., Dooley, J., Fritzsche, R. & Carpenter, K.
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.
Chalixodytes tauensis has been assessed as Least Concern. This broadly distributed species is not known to face any major threats.

Geographic Range [top]

Range Description:Chalixodytes tauensis is an Indo Pacific sand burrower distributed from Christmas Island in the eastern Indian Ocean, to the Mariana Islands and Pitcairn Islands. This species has also been reported from India, but this occurrence outside the distributional range needs confirmation (Kapoor et al. 2002).
Countries occurrence:
American Samoa; Christmas Island; Cocos (Keeling) Islands; Fiji; French Polynesia; Guam; Marshall Islands; New Caledonia; Northern Mariana Islands; Palau; Pitcairn; Samoa
FAO Marine Fishing Areas:
Indian Ocean – eastern; Pacific – eastern central; Pacific – western central
Additional data:
Lower depth limit (metres):10
Upper depth limit (metres):1
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:There is no population information available for this species.
Current Population Trend:Unknown
Additional data:
Population severely fragmented:Unknown

Habitat and Ecology [top]

Habitat and Ecology:Chalixodytes tauensis burrows into loose coral sand of shallow exposed seaward reefs and sandy shorelines. This species is found to a depth of at least 10 m.

Threats [top]

Major Threat(s): There are no known threats for Chalixodytes tauensis.

Conservation Actions [top]

Conservation Actions: There is no species-specific conservation measures in place for Chalixodytes tauensis, however the distribution of this species may coincide with a number of marine protected areas.

Classifications [top]

9. Marine Neritic -> 9.4. Marine Neritic - Subtidal Sandy
9. Marine Neritic -> 9.8. Marine Neritic - Coral Reef -> 9.8.3. Foreslope (Outer Reef Slope)
9. Marine Neritic -> 9.8. Marine Neritic - Coral Reef -> 9.8.5. Inter-Reef Soft Substrate
12. Marine Intertidal -> 12.2. Marine Intertidal - Sandy Shoreline and/or Beaches, Sand Bars, Spits, Etc

In-Place Research, Monitoring and Planning
In-Place Land/Water Protection and Management
In-Place Species Management
In-Place Education

Bibliography [top]

Allen, G.R. and Steene, R.C. 1988. Fishes of Christmas Island Indian Ocean. Christmas Island Natural History Association, Christmas Island, Australia.

Froese, R. and Pauly, D. 2006. FishBase. Available at:

Hardy Jr., J.D. 2003. Coral reef fish species. National Oceanographic Data Center (NODC) Coral Reef Data and Information Management System. National Oceanographic and Atmospheric Administration (NOAA), National Oceanographic Data Center.

IUCN. 2010. IUCN Red List of Threatened Species (ver. 2010.4). Available at: (Accessed: 27 October 2010).

Kapoor, D., Dayal, R. and Ponniah, A.G. 2002. Fish biodiversity of India. National Bureau of Fish Genetic Resources, Lucknow, India.

Kulbicki, M. and Williams, J.T. 1997. Checklist of the shorefishes of Ouvea Atoll, New Caledonia. Atoll Research Bulletin 444: 26.

Myers, R.F. 1989. Micronesian Reef Fishes: A practical Guide to the identification of the Coral Reef Fishes of the Tropical Central and Western Pacific. Coral Graphics, Barrigada, Guam.

Myers, R.F. 1999. Micronesian reef fishes: a comprehensive guide to the coral reef fishes of Micronesia. Coral Graphics, Barrigada, Guam.

Randall, J.E. 1997. Randall's tank photos. Unpublished.

Rosa, I.L. 1995. Comparative osteology of the family Creediidae (Perciformes, Trachinoidei), with comments on the monophyly of the group. Iheringia Série Zoologia 78: 45 - 66.

Wass, R.C. 1984. An annotated checklist of the fishes of Samoa. Special Scientific Report No. 781. National Oceanic Atmospheric Administration and National Marine Fisheries Service, Washington, USA.

Wu, H.L., Shao, K.T. and Lai, C.F. 1999. Latin-Chinese dictionary of fishes names. The Sueichan Press, Taiwan.

Zug, G.R., Springer,V.G., Williams, J.T. and Johnson, G.D. 1989. The vertebrates of Rotuma and surrounding waters. Atoll Research Bulletin 316: 25.

Citation: Nelson, J., Matsuura, K., Collette, B., Dooley, J., Fritzsche, R. & Carpenter, K. 2010. Chalixodytes tauensis. The IUCN Red List of Threatened Species 2010: e.T155001A4690413. . Downloaded on 23 June 2018.
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