Carcharhinus leiodon


Taxonomy [top]

Kingdom Phylum Class Order Family

Scientific Name: Carcharhinus leiodon
Species Authority: Garrick, 1985
Common Name(s):
English Smoothtooth Blacktip Shark, Smoothtooth Blacktip

Assessment Information [top]

Red List Category & Criteria: Vulnerable B1ab(iii); C2a(ii) ver 3.1
Year Published: 2009
Date Assessed: 2005-10-01
Assessor(s): Compagno, L.J.V.
Reviewer(s): Musick, J.A. & Fowler, S.L. (Shark Red List Authority)
This assessment is based on the information published in the 2005 shark status survey (Fowler et al. 2005).

Only known from a single record, so presumably the Smoothtooth Blacktip Shark (Carcharhinus leiodon) has a very restricted distribution and small population.
2000 Vulnerable

Geographic Range [top]

Range Description: The Smoothtooth Blacktip Shark occurs in the northern Indian Ocean, where it has only been recorded from Qishn, southern Saudi Arabia, in the Gulf of Aden.
Saudi Arabia
FAO Marine Fishing Areas:
Indian Ocean – western
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: This shark is known only from the holotype. It is presumed that the population size is small.
Population Trend: Unknown

Habitat and Ecology [top]

Habitat and Ecology: The holotype was a 75 cm long immature male, probably collected from inshore waters. The species has not been recorded elsewhere since being described and details of biology and life history are completely unknown.
Systems: Marine

Threats [top]

Major Threat(s): Presumably the species is taken as bycatch in local fisheries.

Conservation Actions [top]

Conservation Actions: None in place.

Bibliography [top]

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.

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

IUCN SSC Shark Specialist Group. Specialist Group website. Available at:

Citation: Compagno, L.J.V. 2009. Carcharhinus leiodon. The IUCN Red List of Threatened Species. Version 2015.2. <>. Downloaded on 04 September 2015.
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