Orcaella brevirostris (Mahakam River subpopulation) 

Scope: Global

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Bibliography [top]

IUCN. 2016. The IUCN Red List of Threatened Species. Version 2016-2. Available at: (Accessed: 04 September 2016).

Kreb, D. 1999. Observations on the occurrence of Irrawaddy Dolphin, Orcaella brevirostris, in the Mahakam River, East Kalimantan, Indonesia. Zeitschrift für Säugetierkunde 64: 54-58.

Kreb, D. 2000. Abundance and distribution of the pesut, Orcaella brevirostris in the Mahakam River, lakes, and coast of East Kalimantan, Indonesia. Paper submitted to the International Whaling Commission. SC/52/SM32.

Kreb, D. 2004. Abundance of freshwater Irrawaddy dolphins in the Mahakam River in East Kalimantan, Indonesia, based on mark-recapture analysis of photo-identified individuals. Journal of Cetacean Research and Management 6: 269-277.

Kreb, D. and Budiono. 2005. Conservation management of small core areas: Key to survival of a Critically Endangered population of Irrawaddy river dolphins Orcaella brevirostris in Indonesia. Oryx 39: 178-188.

Kreb, D. and Rahadi, K.D. 2004. Living under an aquatic freeway: effects of boats on Irrawaddy dolphins (Orcaella brevirostris) in a coastal and riverine environment in Indonesia. Aquatic Mammals 30: 363-375.

Kreb, D., Budiono and Syachraini. 2007. Review of status and conservation of Irrawaddy dolphins Orcaella brevirostris in the Mahakam River of East Kalimantan, Indonesia. Pp. 53-66 in B.D. Smith, R.G. Shore, and A. Lopez (eds), Status and conservation of freshwater populations of Irrawaddy dolphins. Wildlife Conservation Society Working Paper No. 31. Available at

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Reeves, R.R., Smith, B.D., Crespo, E.A. and di Sciara, G.N. (compilers) 2003. Dolphins, Whales and Porpoises: 2002-2010 Conservation Action Plan for the World's Cetaceans. IUCN/SSC Cetacean Specialist Group. IUCN, Gland, Switzerland and Cambridge, UK.

Smith, B.D., Shore, R.G., Lopez, A., Beasley, I. Gilbert, M., Sokha, K., Kittawattanawong, K., Kreb, D., Moelyono, H., Tun, M.T., Channy, O., Pattnaik, A.K., Somany, P., Phothitay, C., Sutaria, D. and Tin, T. 2007. Action plan for the conservation of freshwater populations of Irrawaddy dolphins. Pp. 9-19. In: B.D. Smith, R.G. Shore, and A. Lopez (eds.), Status and conservation of freshwater populations of Irrawaddy dolphins. Wildlife Conservation Society Working Paper No. 31. Available at

Tas’an and Leatherwood, S. 1984. Cetaceans live-captured for Jaya Ancol Oceanarium, Djakarta, 1974-1982. Report to the International Whaling Commission 34:485-489.

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WQMMM, GTZ. 1998. Concept for water quality management- Mahakam, phase 2, March 1996.

Citation: Jefferson, T.A., Karczmarski, L., Kreb, D., Laidre, K., O’Corry-Crowe, G., Reeves, R., Rojas-Bracho, L., Secchi, E., Slooten, E., Smith, B.D., Wang, J.Y. & Zhou, K. 2016. Orcaella brevirostris (Mahakam River subpopulation). The IUCN Red List of Threatened Species 2016: e.T39428A98842174. . Downloaded on 23 October 2016.
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