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Strandings of striped dolphin Stenella coeruleoalba in Scottish waters (1992–2003) with notes on the diet of this species

Published online by Cambridge University Press:  17 March 2008

M.B. Santos*
Affiliation:
Instituto Español de Oceanografía, Centro Costero de Vigo, Cabo Estay, Canido, 36200 Vigo, Spain School of Biological Sciences [Zoology], University of Aberdeen, Tillydrone Avenue, Aberdeen, AB24 2TZ, UK
G.J. Pierce
Affiliation:
School of Biological Sciences [Zoology], University of Aberdeen, Tillydrone Avenue, Aberdeen, AB24 2TZ, UK
J.A. Learmonth
Affiliation:
School of Biological Sciences [Zoology], University of Aberdeen, Tillydrone Avenue, Aberdeen, AB24 2TZ, UK
R.J. Reid
Affiliation:
SAC Veterinary Science Division, Drummondhill, Stratherrick Road, Inverness, IV24JZ, UK
M. Sacau
Affiliation:
Instituto Español de Oceanografía, Centro Costero de Vigo, Cabo Estay, Canido, 36200 Vigo, Spain
I.A.P. Patterson
Affiliation:
SAC Veterinary Science Division, Drummondhill, Stratherrick Road, Inverness, IV24JZ, UK
H.M. Ross
Affiliation:
SAC Veterinary Science Division, Drummondhill, Stratherrick Road, Inverness, IV24JZ, UK
*
Correspondence should be addressed to: M.B. Santos, Instituto Español de Oceanografía, Centro Oceanográfíco de Vigo, Po Box 1552, 36200 Viga, Spain email: [email protected]

Abstract

During 1992–2003, 52 striped dolphin strandings were recorded in Scotland (UK). Although strandings were recorded in every month of the year, highest numbers were found in January–March and August. Striped dolphins were stranded all around the Scottish coast, but the majority were recovered from the west coast. Necropsies were carried out on 33 of these animals: 29 had live-stranded and cause of death was not established for four animals. Stomach contents were analysed for 20 animals: whiting and Trisopterus were the main prey species in the diet (both by number and by reconstructed biomass). Females had a higher average number of Trisopterus in their stomachs than did males. Trisopterus eaten in winter were larger than Trisopterus eaten in summer and both Trisopterus and whiting eaten on the east coast were bigger than those eaten on the west coast. The reproductive status was determined for six females and six males during 2001–2003, with the majority being immature but the sample included one pregnant female and one sexually active mature male. We calculated the length–weight relationship for this species in Scottish waters. In addition, age data were collected from samples obtained during necropsies on six striped dolphins: the oldest dolphin sampled was around 14 y old but the majority were 2–7 y old. Although the numbers are low, the regular occurrence of stranded striped dolphins in recent years around Scotland, suggests that this warm water species may now be considered resident in Scottish waters.

Type
Research Article
Copyright
Copyright © Marine Biological Association of the United Kingdom 2008

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References

REFERENCES

Aguilar, A. and Raga, J.A. (1993) The striped dolphin epizootic in the Mediterranean Sea. Ambio 22, 524528.Google Scholar
Archer, F.I. (2002) Striped dolphin Stenella coeruleoalba. In Perrin, W.F. et al. (eds) Encyclopedia of marine mammals, San Diego: Academic Press, pp. 12011203.Google Scholar
Archer, F.I. and Perrin, W.F. (1999) Stenella coeruleoalba. Mammalian Species 603, 19.Google Scholar
Bello, G. (1992) Stomach content of a specimen of Stenella coeruleoalba (Cetacea: Delphinidae) from the Ionian Sea. Atti della Società Italiana di Scienze Naturali e del Museo Civico di Storia Naturale di Milano 133, 4148.Google Scholar
Berrow, S.D. and Rogan, E. (1995) Stomach contents of harbour porpoise and dolphins in Irish waters. European Research on Cetaceans 9, 179181.Google Scholar
Berrow, S.D. and Rogan, E. (1997) Review of cetaceans stranded in the Irish coast, 1901–95. Mammal Review 27, 5176.CrossRefGoogle Scholar
Blanco, C., Aznar, J. and Raga, J.A. (1995) Cephalopods in the diet of the striped dolphin Stenella coeruleoalba from the western Mediterranean during an epizootic in 1990. Journal of Zoology 237, 151158.CrossRefGoogle Scholar
Bloch, D., Desportes, G., Petersen, A. and Sijurjónsson, S. (1996) Strandings of striped dolphins (Stenella coeruleoalba) in Iceland and the Faeroe Islands and sightings in the Northeast Atlantic, north of 50°N latitude. Marine Mammal Science 12, 125132.CrossRefGoogle Scholar
van Bressem, M. et al. (2001) An insight into the epidemiology of dolphin morbillivirus worldwide. Veterinary Microbiology 81, 287304.CrossRefGoogle ScholarPubMed
Brown, E.G. and Pierce, G.J. (1998) Monthly variation in the diet of harbour seals in inshore waters along the southeast Shetland (UK) coastline. Marine Ecology Progress Series 167, 275289.CrossRefGoogle Scholar
Calzada, N., Aguilar, A., Lockyer, C. and Grau, E. (1997) Patterns of growth and physical maturity in the western Mediterranean striped dolphins, Stenella coeruleoalba (Cetacea Odontoceti). Canadian Journal of Zoology 75, 632637.CrossRefGoogle Scholar
Clarke, M.R. (ed.) (1986) A handbook for the identification of cephalopod beaks. Oxford: Clarendon Press.Google Scholar
Collet, A. and Saint-Girons, H. (1984) Preliminary study of the male reproductive cycle in common dolphins, Delphinus delphis, in the eastern North Atlantic. In Perrin, W.F. et al. (eds) Reproduction in whales, dolphins and porpoises. Special Issue 6, Cambridge, International Whaling Commission, pp. 355360.Google Scholar
Desportes, G. (1985) La nutrition des Odontocètes en Atlantique Nord-Est (Côtes Françaises –Iles Feroë). PhD thesis, Université de Poitiers, Poitiers, France.Google Scholar
Evans, P.G.H. (1992) Status review of Cetaceans in British and Irish waters. Report to UK Department of the Environment. Sea Watch Foundation (UK Mammal Society Cetacean Group), Oxford, 98 p.Google Scholar
Evans, P.G.H. and Stirling, I. (2002) Life history strategies of marine mammals. In Evans, P.G.H. et al. (eds) Marine mammals: biology and conservation, New York: Kluwer Academic/Plenum Publishers, pp. 762.CrossRefGoogle Scholar
Forcada, J., Aguilar, A., Evans, P.G.H. and Perrin, W.F. (1990) Distribution of common and striped dolphins in the temperate waters of the eastern North Atlantic. European Research on Cetaceans 4, 6466.Google Scholar
Fraser, F.C. (1946) Report on cetacea stranded on the British coasts from 1933 to 1937. No. 12.London: British Museum (Natural History).Google Scholar
Fraser, F.C. (1953) Report on cetacea stranded on the British coasts from 1938 to 1947. No. 13. London: British Museum (Natural History).Google Scholar
Fraser, F.C. (1974) Report on cetacea stranded on the British coasts from 1948 to 1966. No. 14. London: British Museum (Natural History).Google Scholar
García-Martínez, J., Moya, A., Raga, J.A. and Latorre, A. (1999) Genetic differentiation in the striped dolphin Stenella coeruleoalba from European waters according to mitochondrial DNA (mtDNA) restriction analysis. Molecular Ecology 8, 10691073.CrossRefGoogle ScholarPubMed
Goujon, M., Antoine, L. and Collet, A. (1993) Incidental catches of cetaceans by the French albacore tuna driftnet fishery: preliminary results. International Council for the Exploration of the Sea, CM 1993/N:13.Google Scholar
Hammond, P.S. et al. (1995) Distribution and abundance of the harbour porpoise and other small cetaceans in the North Sea and adjacent waters. Final Report to the European Commission, LIFE 92-2/UK/27.Google Scholar
Härkönen, T. (1986) Guide to the otoliths of the bony fishes of the northeast Atlantic. Hellerup, Denmark: Danbiu ApS.Google Scholar
Hohn, A.A. and Lockyer, C. (1995) Report of the harbour porpoise age determination workshop, Oslo, 21–23 May 1990. Appendix 3: Protocol for obtaining age estimates from harbour porpoise teeth. In Bjørge, A. and Donovan, G.P. (eds) Biology of the Phocoenids. Special Issue 16, Cambridge: International Whaling Commission, pp. 494496.Google Scholar
Isaksen, K. and Syvertsen, P.O. (2002) Striped dolphins, Stenella coeruleoalba, in Norwegian and adjacent waters. Mammalia 66, 3341.CrossRefGoogle Scholar
Kuiken, T. and Hartmann, M.G. (1991) Cetacean pathology: dissection techniques and tissue sampling. Proceedings of the first European Cetacean Society workshop on cetacean pathology: dissection techniques and tissue sampling, Leiden, The Netherlands.Google Scholar
Law, R.J. (1994) Collaborative UK marine mammal project: summary of data produced 1988–1992. Fisheries Research Technical Report 97. Lowestoft: MAFF Directorate of Fisheries Research.Google Scholar
Learmonth, J.A. et al. (2004) Measurement of reproductive output in small cetaceans from the NE Atlantic. BIOCET Workpackage 5—Full Report. Project reference: EVK3-2000-00027. 53 p.Google Scholar
Lockyer, C. (1995) A review of factors involved in zonation in odontocete teeth, and an investigation of the likely impact of environment factors and major life events on harbour porpoise tooth structure. Reports of the International Whaling Commission (Special Issue), 16, 511529.Google Scholar
López, A. (2003) Estatus dos pequenos cetáceos das costas de Galicia. PhD thesis, Universidad de Santiago de Compostela, Santiago de Compostela, Spain.Google Scholar
MacLeod, C.D., Bannon, S.M., Pierce, G.J., Schweder, C., Learmonth, J.A., Herman, J.S. and Reid, R.J. (2005) Climate change and the cetacean community of North-West Scotland. Biological Conservation 124, 477483.CrossRefGoogle Scholar
Macleod, K., Simmonds, M.P. and Murray, E. (2003) Summer distribution and relative abundance of cetacean populations off north-west Scotland. Journal of the Marine Biological Association of the United Kingdom 83, 11871192.CrossRefGoogle Scholar
Miyazaki, N. (1984) Further analyses of reproduction in the striped dolphin, Stenella coeruleoalba, off the Pacific coast of Japan. Reports of the International Whaling Commission (Special Issue) 6, 343353.Google Scholar
Miyazaki, N., Kusaka, T. and Nishiwaki, M. (1973) Food of Stenella coeruleoalba. Scientific Reports of the Whales Research Institute 5, 7179.Google Scholar
Miyazaki, N. and Nishiwaki, M. (1978) School structure of the striped dolphin off the Pacific coast of Japan. Scientific Reports of the Whales Research Institute 30, 65115.Google Scholar
Perrin, W.F., Brownell, J.R.L. and DeMaster, D.P. (eds) (1984) Reproduction in whales, dolphins and porpoises, Special Issue 6. Cambridge: International Whaling Commission, 495 p.Google Scholar
Perrin, W.F. and Myrick, A.C. (1980) Age determination of toothed whales and sirenians Special Issue 3. Cambridge: International Whaling Commission, 229 p.Google Scholar
Reid, J.B., Evans, P.G.H. and Northridge, S. (2003) Atlas of cetacean distribution in north-west European waters. Peterborough: Joint Nature Conservation Committee, 75 p.Google Scholar
Reid, R.J., Kitchener, A., Ross, H.M. and Herman, J. (1993) First records of the striped dolphin, Stenella coeruleoalba, in Scottish waters. Glasgow Naturalist, part 3.Google Scholar
Rice, D.W. (1998) Marine mammals of the world: systematic and distribution. Special Publication no. 4. The Society for Marine Mammalogy.Google Scholar
Ringelstein, J., Pusineri, C., Hassani, S., Meynier, L., Nicolas, R. and Ridoux, V. (2006) Food and feeding ecology of the striped dolphin, Stenella coeruleoalba, in the oceanic waters of the north-east Atlantic. Journal of the Marine Biological Association of the United Kingdom 86, 909918.CrossRefGoogle Scholar
Rogan, E., Gassner, I., Mackey, M.J. and Berrow, S.D. (1997) A review of striped dolphins, Stenella coeruleoalba, in the waters around Ireland. Paper SC/49/SM40 to the International Whaling Commission meeting, Bournemouth.Google Scholar
Sekiguchi, K., Klages, N.T.W. and Best, P.B. (1992) Comparative analysis of the diets of smaller odontocete cetaceans along the coast of Southern Africa. South African Journal of Marine Science 12, 843861.CrossRefGoogle Scholar
Sheldrick, M.C. (1989) Stranded whale records for the entire British coastline, 1967–1986. Investigations on Cetacea XXII, 298–229.Google Scholar
Sheldrick, M.C., Chimonides, P.J., Muir, A.I., George, J.D., Reid, R.J., Kuiken, T., Iskjaer-Ackley, C. and Kitchener, A. (1994) Stranded cetacean records for England, Scotland and Wales, 1987–1992. Investigations on Cetacea XXV, 259283.Google Scholar
Spitz, J., Richard, E., Meynier, L., Pusineri, C. and Ridoux, V. (2006) Dietary plasticity of the striped dolphin, Stenella coeruleoalba, in the neritic waters of the Bay of Biscay. Journal of Sea Research 55, 309320.CrossRefGoogle Scholar
Stone, C.J. (1997) Cetacean observations during seismic surveys in 1996. JNCC Report, no. 228, 67 pp.Google Scholar
Stone, C.J. (2000) Cetacean observations during seismic surveys in 1998. JNCC Report, no. 301, 62 pp.Google Scholar
Stone, C.J. (2001) Marine mammal observations during seismic surveys in 1999. JNCC Report no. 316, 92 pp.Google Scholar
Stone, C.J. (2003) Marine mammal observations during seismic surveys in 2000. JNCC Report, no. 322, 89 pp.Google Scholar
Wall, D., O'Brien, J., Meade, J. and Allen, B.M. (2006) Summer distribution and relative abundance of cetaceans off the west coast of Ireland. Biology and Environment Proceedings of the Royal Irish Academy 106B, 135142.CrossRefGoogle Scholar
Watt, J., Pierce, G.J. and Boyle, P.R. (1997) A guide to the premaxillae and vertebrae of North Sea fishes. International Council for the Exploration of the Sea (Co-operative Research Report), no. 220, 231 pp.Google Scholar
Weir, C.R., Pollock, C., Cronin, C. and Taylor, S. (2001) Cetaceans of the Atlantic Frontier, north and west of Scotland. Continental Shelf Research 21, 10471071.CrossRefGoogle Scholar
Würtz, M. and Marrale, D. (1993) Food of striped dolphin, Stenella coeruleoalba, in the Ligurian Sea. Journal of the Marine Biological Association of the United Kingdom 73, 571578.CrossRefGoogle Scholar