Owston's Dogfish, Centroscymnus owstonii Garman 1906
Owston's Dogfish, Centroscymnus owstonii. Source: CSIRO National Fish Collection. License: CC BY Attribution
Notable for its smooth-skinned appearance and uniformly dark, black-brown skin. Centroscymnus owstonii is a stout and widespread dogfish.
Owston's Dogfish, Centroscymnus owstonii Garman 1906
More Info
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Distribution |
Off Cape Hawke, NSW (ca. 32°13'S) to off Exmouth Gulf, WA; temperate, discontinuous (west Pacific, New Zealand and Gulf of Mexico and Atlantic). |
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Features |
A Stout, dark black or brown dogfish. Short slender dorsal fin spines with only the tips protruding through the skin. First dorsal fin lobe-like and short, second dorsal fin triangular and taller. Paddle like pectoral fins and large, flat denticles giving Centroscymnus owstonii a smooth skinned appearance. |
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Feeding |
Feeds on cephalopods and fish. |
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Biology |
A viviparous (probably matrotrophic) species, with litters of 16-28 young. Males mature at 70 cm and females mature at 100 cm. |
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Fisheries |
Once caught locally as bycatch for trawlers, catches are now restricted in Australia due to growing concerns for sustainability. Still occasionally caught by tuna longlines in Japanese waters. |
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Species Citation |
Centroscymnus owstonii 1906, Bull. Mus. Comp. Zool., Harvard 46(11): 207. Type locality: Yenoura, Sagami Bay, Japan. |
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Author |
Bray, D.J. & Wood, D.R. 2018 |
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Resources |
Owston's Dogfish, Centroscymnus owstonii Garman 1906
References
Bass, A.J. 1979. Records of little-known sharks from Australian waters. Proceedings of the Linnean Society of New South Wales 103(4): 247-254 figs 1-5
Compagno, L.J.V. 1984. FAO Species Catalogue. Sharks of the World. An annotated and illustrated catalogue of shark species known to date. Hexanchiformes to Lamniformes. FAO Fisheries Synopsis No. 125. Rome : FAO Vol. 4(1) pp. 1-249.
Compagno, L.J.V. 2003. Sharks. pp. 357-505 in Carpenter, K.E. (ed.). The Living Marine Resources of the Western Central Atlantic. FAO Species Identification Guide for Fisheries Purposes. Rome : FAO Vol. 1 601 pp.
Compagno, L.J.V., Dando, M. & Fowler, S. 2005. A Field Guide to the Sharks of the World. London : Collins 368 pp.
Daley R, Stevens J, Graham K (2002) Catch analysis and productivity of the deepwater dogfish resource in southern Australia. FRDC Final Report, 1998/108. Fisheries Research and Development Corporation, Canberra, 106 pp.
Daley, R.K., Stevens, J.D., Last, P.R. & Yearsley, G.K. 2002. Field Guide to Australian Sharks & Rays. Hobart : CSIRO Marine Research 84 pp.
Garman, S. 1906. New Plagiostomia. Bulletin of the Museum of Comparative Zoology, Harvard 46(11): 201-208Gomon, M.F., Glover, C.J.M. & Kuiter, R.H. (eds) 1994. The Fishes of Australia's South Coast. Adelaide : State Printer 992 pp. 810 figs.Last, P.R., Scott, E.O.G. & Talbot, F.H. 1983. Fishes of Tasmania. Hobart : Tasmanian Fisheries Development Authority 563 pp. figs.
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.
Stevens, J.D. 1994. Families Echinorhinidae, Squalidae, Oxynotidae, Parascyllidae, Orectolobidae. pp. 91-118 figs 28-73 in Gomon, M.F., Glover, C.J.M. & Kuiter, R.H. (eds). The Fishes of Australia's South Coast. Adelaide : State Printer 992 pp. 810 figs.
Weigmann S, Vaz DFB, White WT, de Carvalho MR, Thiel R. 2015. Distribution and comments on the morphology of Centroscymnus owstonii Garman, 1906 (Squaliformes: Somniosidae), with focus on its occurrence in the Indian Ocean. Marine Biodiversity, Online First Article, DOI 10.1007/s12526-015-0413-x Abstract
White, W. 2008. Shark Families Heterodontidae to Pristiophoridae. pp. 32-100 in Gomon, M.F., Bray, D.J. & Kuiter, R.H. (eds). Fishes of Australia's Southern Coast. Sydney : Reed New Holland 928 pp.
Yano K, Tanaka S (1983) Portuguese shark, Centroscymnus coelolepis from Japan, with notes on C. owstoni. Jpn J Ichthyol 30(3): 208–216.
