Age and growth of the shortnose spiny dogfish Squalus megalops from the Agulhas Bank, South Africa

South African Journal of Marine Science

Volumn , Issue 21, 1999, Pages 9-18

  Watson, G ^a   Smale, M J ^a  

^a PORT ELIZABETH MUSEUM   (South Africa)

Author keywords

[No Author keywords available]

Indexed keywords

ABSORPTION; AGE; BIOMASS; GROWTH RATE; LITERATURE; MODEL; OXYTETRACYCLINE; SIZE; SOUTH AFRICA; SURFACE;

AGE DETERMINATION; BIOMASS; GROWTH RATE; SEX-RELATED DIFFERENCE; VON BERTALANFFY EQUATION;

AGULHAS BANK; INDIAN OCEAN;

ANIMALIA; CHONDRICHTHYES; MEGALOPS; SPINY; SQUALUS ACANTHIAS; SQUALUS MEGALOPS; VERTEBRATA;

EID: 0033382781     PISSN: 02577615     EISSN: None     Source Type: Journal    
DOI: 10.2989/025776199784126097     Document Type: Article

References (39)

1. BADENHORST, A. and M. J. SMALE 1991 - The distribution and abundance of seven commercial trawlfish from the Cape south coast of South Africa, 1986-1990. S. Afr. J. mar. Sci. 11: 377-393.
2. BASS, A. J., D'AUBREY, J. D. and N. KISTNASAMY 1976 - Sharks of the east coast of southern Africa. 6. The families Oxynotidae, Squalidae, Dalatiidae and Echinorhinidae. Investl Rep. oceanogr. Res. Inst. S. Afr. 45: 103 pp.
3. BEAMISH, R. J. and G. A. McFARLANE 1985 - Annulus development on the second dorsal spine of the spiny dogfish (Squalus acanthias) and its validity for age determination. Can. J. Fish. aquat. Sci. 42(11): 1799-1805.
4. BRANSTETTER, S. 1987 - Age and growth validation of newborn sharks held in laboratory aquaria, with comments on the life history of the Atlantic sharpnose shark, Rhizoprionodon terraenovae. Copeia 1987(2): 291-300.
5. BRANSTETTER, S. and J. A. MUSICK 1994 - Age and growth estimates for the sand tiger in the Northwestern Atlantic Ocean. Trans. Am. Fish. Soc. 123: 242-254.
6. BUTTERWORTH, D. S., PUNT, A. E., BORCHERS, D. L., PUGH, J. B. and G. [S.] HUGHES 1989 - A manual of mathematical techniques for linefish assessment. Rep. S. Afr. natn. scient. Progms 160: [i] + 83 pp.
7. CAILLIET, G. M. 1987 - Estimating age and growth in sharks. In Sharks: an Inquiry into Biology, Behavior, Fisheries, and Use. Cook, S. (Ed.). Oregon; State University Extension Service: 19-27.
8. CAILLIET, G. M. 1990 - Elasmobranch age determination and verification: an updated review. In Elasmobranchs as Living Resources: Advances in the Biology, Ecology, Systematics, and the Status of the Fisheries. Pratt, H. L., Gruber, S. H. and T. Taniuchi (Eds). NOAA tech. Rep. NMFS 90: 157-165.
9. CHILTON, D. E. and R. J. BEAMISH 1982 - Squalidae. In Age Determination Methods for Fishes Studied by the Groundfish Program at the Pacific Biological Station. Can. spec. Publ. Fish. aquat. Sci. 60: 94-96.
10. COMPAGNO, L. J. V. 1984 - F.A.O. species catalogue. 4. Sharks of the world. An annotated and illustrated catalogue of shark species known to date. (1) Hexanchiformes to Lamniformes. F.A.O. Fish. Synop. 125: 1-249.
11. COMPAGNO, L. J. V. 1990a - Shark exploitation and conservation. In Elasmobranchs as Living Resources: Advances in the Biology, Ecology, Systematics, and the Status of the Fisheries. Pratt, H. L., Gruber, S. H. and T. Taniuchi (Eds). NOAA tech. Rep. NMFS 90: 391-414.
12. COMPAGNO, L. J. V. 1990b - Alternative life-history styles of cartilaginous fishes in time and space. Environ. Biol. Fishes 28: 33-75.
13. COMPAGNO, L. J. V., EBERT, D. A. and P. D. COWLEY 1991- Distribution of offshore demersal cartilaginous fish (Class Chondrichthyes) off the west coast of southern Africa, with notes on their systematics. S. Afr. J. mar. Sci. 11: 43-139.
14. COMPAGNO, L. J. V., EBERT, D. A. and M. J. SMALE 1989a- Guide to the sharks and ras of Southern Africa. Cape Town; Stuik: 160 pp.
15. COMPAGNO, L. J. V., SMALE M. J., DAVIS, B., CLIFF, G. and S. F. J. DUDLEY 1989b - Sharks and the Natal Sharks Board. In Oceans of Life off Southern Africa. Payne, A. I. L. and R. J. M. Crawford (Eds). Cape Town; Vlaeberg:198-213.
16. EBERT, D. A., COMPAGNO, L. J. V. and P. D. COWLEY 1992 - A preliminary investigation of the feeding ecology of squaloid sharks off the west coast of southern Africa. In Benguela Trophic Functioning. Payne, A. I. L., Brink, K. H., Mann, K. H. and R. Hilborn (Eds). S. Afr. J. mar. Sci. 12:601-609.
17. FAHY, E. and P. GLEESON 1990 - The post-peak-yield gill-net fishery for spurdog Squalus acanthias L. in western Ireland. Ir. Fish. Invest. (Ser. B) 35: 12 pp.
18. FRANCIS, R. I. C. C. 1988a - Maximum likelihood estimation of growth and growth variability from tagging data. N.Z. Jl. mar. Freshwat. Res. 22(1): 43-51.
19. FRANCIS, R. I. C. C. 1988b - Are growth parameters estimated from tagging and age-length data comparable? Can J. Fish. aquat. Sci. 45: 936-942.
20. FREER, D. W. L. and C. L. GRIFFITHS 1993 - Estimation of age and growth in the St Joseph Callorhinchus capensis (Dumeril). S. Afr. J. mar. Sci. 13: 75-81.
21. HANCHET, S. 1988 - Reproductive biology of Squalus acanthias from the East Coast, South Island, New Zealand. N. Z. Jl mar. Freshwat. Res. 22: 537-549.
22. HOLDEN, M. J. 1974 - Problems in the rational exploitation of elasmobranch populations and some suggested solutions. In Sea Fisheries Research. Harden-Jones, F. R. (Ed.). London; Elek Science: 117-137.
23. HOLDEN, M. J. and P. S. MEADOWS 1962 - The structure of the spine of the spur dogfish (Squalus acanthias L.) and its use for age determination. J. mar. biol. Ass. U.K. 42: 179-197.
24. JAPP, D. W., SIMS, P. F. and M. J. SMALE 1994 - A review of the fish resources of the Agulhas Bank. S. Afr. J. Sci. 90(3): 123-134.
25. KETCHEN, K. S. 1975 - Age and growth of dogfish Squalus acanthias in British Columbia waters. J. Fish. Res. Bd Can. 32(1): 43-59.
26. KNIGHT, W. 1968 - Asymptotic growth - an example of nonsense disguised as mathematics. J. Fish. Res. Bd Can. 25:1303-1307.
27. LAST, P. R. and J. D. STEVENS 1994 - Sharks and Rays of Australia. Melbourne; CSIRO Division of Fisheries: 513 pp.
28. McFARLANE, G. A. and R. J. BEAMISH 1987a - Validation of the dorsal spine method of age determination for spiny dogfish. In Age and Growth of Fish. Summerfelt, R. C. and G. E. Hall (Eds), Ames, Iowa; State University Press: 287-300.
29. McFARLANE, G. A. and R. J. BEAMISH 1987b - Selection of dosages of oxytetracycline for age validation studies. Can. J. Fish. aquat. Sci. 44: 905-909.
30. MOULTON, P. L., WALKER, T. I. and S. R. SADDLIER 1992 - Age and growth studies of gummy shark, Mustelus antarcticus Günther, and school shark, Galeorhinus galeus (Linnaeus), from southern Australian waters. Aust. J. mar. Freshwat. Res. 43: 1241-1267.
31. MYAGKOV, N. A. and V. V. KONDYURIN 1986 - Dogfishes, Squalus (Squalidae), of the Atlantic Ocean and comparative notes on the species of this genus from other regions. J. Ichthyol. 26(6): 1-18.
32. NAMMACK, M. F., MUSICK, J. A. and J. A. COLVOCORESSES 1985 - Life history of spiny dogfish off the northeastern United States. Trans. Am. Fish. Soc. 114: 367-376.
33. PRATT, H. L. and J. G. CASEY 1990 - Shark reproductive strategies as a limiting factor in directed fisheries, with a review of Holden's method of estimating growth-parameters. In Elasmobranchs as Living Resources: Advances in the Biology, Ecology, Systematics, and the Status of the Fisheries. Pratt, H. L., Gruber, S. H. and T. Taniuchi (Eds). NOAA tech. Rep. NMFS 90: 97-109.
34. PUNT, A. E. and G. [S.] HUGHES 1989 - PC-Yield II user's guide. Rep. Benguela Ecol. Progm. S. Afr. 18: iii + 60 pp.
35. SAUNDERS, M. W. and G. A. McFARLANE 1993 - Age and length at maturity of the female spiny dogfish, Squalus acanthias, in the Strait of Georgia, British Columbia, Canada. Environ. Biol. Fishes 38: 49-57.
36. SMALE, M. J., ROEL, B. A., BADENHORST, A. and J. G. FIELD 1993 - Analysis of the demersal community of fish and cephalopods on the Agulhas Bank, South Africa. J. Fish Biot. 43(Suppl. A): 169-191.
37. TUCKER, R. 1985 - Age validation studies on the spines of the spurdog (Squalus acanthias) using tetracycline. J. mar. biol. Ass. U.K. 65: 641-651.
38. WATSON, G. 1996 - Reproduction, age and growth of the spiny dogfish, Squalus megalops, on the Agulhas Bank. M.Sc. thesis, University of Port Elizabeth: 145 pp.
39. WATSON, G. and M. J. SMALE 1998 - Reproduction biology of shortnose dogfish, Squalus megalops, from the Agulhas Bank, South Africa. Mar. Freshwat. Res. 49: 695-703.