Grey Sharpnose Shark, Rhizoprionodon oligolinx Springer 1964


A Grey Sharpnose Shark, Rhizoprionodon oligolinx. Source: CSIRO National Fish Collection. License: CC BY Attribution

Summary:
A small, slender whaler shark with a long narrowly-rounded snout, small labial furrows confined to the corners of the mouth, and 3-8 pores on either side of the mouth.

Cite this page as:
Bray, D.J. 2017, Rhizoprionodon oligolinx in Fishes of Australia, accessed 20 Nov 2018, http://fishesofaustralia.net.au/home/species/3262

Grey Sharpnose Shark, Rhizoprionodon oligolinx Springer 1964

More Info


Distribution

From near Darwin, Northern Territory, to the Gulf of Carpentaria, Queensland. Elsewhere the species occurs in the tropical, Indo-west Pacific from the Arabian Gulf to northern Australia, and possibly to southern Japan. An abundant inshore species across its range, although rare in Australian waters. 

Features

Precaudal vertebrae 84-91. Eye relatively large; interdorsal ridge occasionally present; origin of second dorsal fin behind origin of anal fin. Jaw teeth deeply notched, oblique and narrowly triangular with smooth edges.

Biology

A small shark with females producing litters of 3-5 young, born at a length of 21-26 cm.

Species Citation

Rhizoprionodon oligolinx Springer 1964, Proc. U. S. Natl Mus. 115(3493): 621, figs 12-13, pl. 2C. Type locality: Gulf of Thailand.

Author

Bray, D.J. 2017

Resources

Australian Faunal Directory

Grey Sharpnose Shark, Rhizoprionodon oligolinx Springer 1964

References


Compagno, L.J.V. 1984. FAO Species Catalogue. Sharks of the World. An annotated and illustrated catalogue of shark species known to date. Carcharhiniformes. FAO Fisheries Synopsis No. 125. Rome : FAO Vol. 4(2) 251-655 pp. 

Compagno, L.J.V., Dando, M. & Fowler, S. 2005. A Field Guide to the Sharks of the World. London : Collins 368 pp. 

Compagno, L.J.V. & Niem, V.H. 1998. Family Carcharhinidae. pp. 1312-1360 in Carpenter, K.E. & Niem, V.H. (eds). The Living Marine Resources of the Western Central Pacific. FAO Species Identification Guide for Fisheries Purposes. Rome : FAO Vol. 2 687-1396 pp. 

Last, P.R. & Stevens, J.D. 1994. Sharks and Rays of Australia. Canberra : CSIRO Australia 513 pp. 84 pls. 

Last, P.R. & Stevens, J.D. 2009. Sharks and Rays of Australia. Collingwood : CSIRO Publishing Australia 2, 550 pp.

Simpfendorfer, C.A. (SSG Australia & Oceania Regional Workshop, March 2003). 2003. Rhizoprionodon oligolinx. The IUCN Red List of Threatened Species 2003: e.T41851A10580149. http://dx.doi.org/10.2305/IUCN.UK.2003.RLTS.T41851A10580149.en. Downloaded on 06 August 2017.

Springer, V.G. 1964. A revision of the carcharhinid genera Scoliodon, Loxodon and Rhizoprionodon. Proceedings of the United States National Museum 115(3493): 559-632 figs 1-14 pls 1-2

Quick Facts


CAAB Code:37018037

Conservation:IUCN Least Concern

Habitat:Inshore soft bottom

Max Size:70 cm TL

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Species Maps

CAAB distribution map