Carcharhinus borneensis

Taxonomy

Assessment Information

Geographic Range

Population

Habitat and Ecology

Threats

Conservation Actions

Bibliography

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Taxonomy [top]

Kingdom	Phylum	Class	Order	Family
ANIMALIA	CHORDATA	CHONDRICHTHYES	CARCHARHINIFORMES	CARCHARHINIDAE

Scientific Name:

Carcharhinus borneensis

Species Authority:

(Bleeker, 1859)

Common Name/s:

English

–

Borneo Shark

Synonym/s:

Carcharias borneensis Bleeker, 1858

Assessment Information [top]

Red List Category & Criteria:

Endangered C2a(ii) ver 3.1

Year Published:

2009

Assessor/s:

Compagno, L.J.V.

Reviewer/s:

Musick, J.A. & Fowler, S.L. (Shark Red List Authority)

Justification:
This assessment is based on the information published in the 2005 shark status survey (Fowler et al. 2005).

The Borneo Shark (Carcharhinus borneensis) is known from very few records (most from Borneo), none of which are more recent than 1937. It was not recorded in the extensive George Vanderbilt Foundation shark collections in Thailand and Hong Kong (housed at the California Academy of Sciences, San Francisco, USA), the 1996/97 IUCN/SSC Shark Specialist Group and Sabah Fisheries Department survey of marine sharks in markets in Sabah, Borneo (Malaysia), or the 2000/01 WWF shark biodiversity study in the Philippines. Past records of this species are all from areas that have been and are being heavily exploited by artisanal and commercial fisheries and it is likely that these activities have detrimentally affected the Borneo Shark population.

History:

2000

–

Endangered

Geographic Range [top]

Range Description:	The Borneo Shark is an Indo-West Pacific species, recorded from Borneo (Kalimantan, Indonesia and Sarawak, Malaysia) and possibly also China (Chusan Island). Nominal and possible records also exist from Java (Indonesia) and the Philippines but these cannot yet be confirmed (Garrick 1982, Compagno 1984, 1988, in prep. b).
Countries:	Native: Indonesia (Jawa - Presence Uncertain, Kalimantan); Malaysia (Sarawak) Presence uncertain: China; Philippines
FAO Marine Fishing Areas:	Native: Pacific – western central; Pacific – northwest
Range Map:	Click here to open the map viewer and explore range.

Population [top]

Population:	This is a rare shark that has not been recorded since 1937. Only five confirmed specimens are known.
Population Trend:	Unknown

Habitat and Ecology [top]

Habitat and Ecology:	This is a small, rare inshore coastal shark, known only from five undoubted specimens (four of which were collected from Borneo) and very few valid localities. Virtually all details of its biology and life history parameters are unknown. The maximum size is estimated to be around 70 cm.
Systems:	Marine

Threats [top]

Major Threat(s):	This rare shark is (or was) found in areas that have been and are being heavily exploited by artisanal and commercial fisheries. These are likely to have detrimentally affected the population of this species, which has not been recorded since 1937.

Major Threat(s):

This rare shark is (or was) found in areas that have been and are being heavily exploited by artisanal and commercial fisheries. These are likely to have detrimentally affected the population of this species, which has not been recorded since 1937.

Conservation Actions [top]

Conservation Actions:	No conservation measures are in place for this species.

Conservation Actions:

No conservation measures are in place for this species.

Bibliography [top]

	Compagno, L.J.V. 1984. Sharks of the World. An annotated and illustrated catalogue of shark species to date. Part II (Carcharhiniformes). FAO Fisheries Synopsis, FAO, Rome. Compagno, L.J.V. 1988. Sharks of the Order Carcharhiniformes. Princeton University Press, Princeton, New Jersey, USA. Compagno, L.J.V. in prep. B. Sharks of the World. An annotated and illustrated catalogue of the shark species known to date. Volume 3. Carcharhiniformes. FAO, Rome. Fowler, S.L., Cavanagh, R.D., Camhi, M., Burgess, G.H., Cailliet, G.M., Fordham, S.V., Simpfendorfer, C.A. and Musick, J.A. (comps and eds). 2005. Sharks, Rays and Chimaeras: The Status of the Chondrichthyan Fishes. Status Survey. pp. x + 461. IUCN/SSC Shark Specialist Group, IUCN, Gland, Switzerland and Cambridge, UK. Garrick, J.A.F. 1982. Sharks of the genus Carcharhinus. NOAA Technical Report NMFS. IUCN. 2009. IUCN Red List of Threatened Species (ver. 2009.2). Available at: www.iucnredlist.org. (Accessed: 3 November 2009). IUCN SSC Shark Specialist Group. Specialist Group website. Available at: http://www.iucnssg.org/.

Compagno, L.J.V. 1984. Sharks of the World. An annotated and illustrated catalogue of shark species to date. Part II (Carcharhiniformes). FAO Fisheries Synopsis, FAO, Rome.

Compagno, L.J.V. 1988. Sharks of the Order Carcharhiniformes. Princeton University Press, Princeton, New Jersey, USA.

Compagno, L.J.V. in prep. B. Sharks of the World. An annotated and illustrated catalogue of the shark species known to date. Volume 3. Carcharhiniformes. FAO, Rome.

Fowler, S.L., Cavanagh, R.D., Camhi, M., Burgess, G.H., Cailliet, G.M., Fordham, S.V., Simpfendorfer, C.A. and Musick, J.A. (comps and eds). 2005. Sharks, Rays and Chimaeras: The Status of the Chondrichthyan Fishes. Status Survey. pp. x + 461. IUCN/SSC Shark Specialist Group, IUCN, Gland, Switzerland and Cambridge, UK.

Garrick, J.A.F. 1982. Sharks of the genus Carcharhinus. NOAA Technical Report NMFS.

IUCN. 2009. IUCN Red List of Threatened Species (ver. 2009.2). Available at: www.iucnredlist.org. (Accessed: 3 November 2009).

IUCN SSC Shark Specialist Group. Specialist Group website. Available at: http://www.iucnssg.org/.

Citation:	Compagno, L.J.V. 2009. Carcharhinus borneensis. In: IUCN 2011. IUCN Red List of Threatened Species. Version 2011.2. <www.iucnredlist.org>. Downloaded on 25 May 2012.
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