84 
Fishery Bulletin 110(1) 
sistius poutassou ) in the diet of lesser spotted dogfish 
(Scyliorhinus canicula ) in the Cantabrian Sea. ICES 
J. Mar. Sci. 55:331-341. 
Olaso, I., F. Sanchez, A. Serrano, C. Rodriguez-Cabello, and 
O. Cendero. 
2005. Trophic relations of lesser-spotted catshark ( Scyli- 
orhinus canicula ) and blackmouth catshark (Galeus 
melastomus ) in the Cantabrian Sea. J. Northwest Atl. 
Fish. Sci. 35:481-494. 
Papastamatiou, Y. P., B. M. Wetherbee, C. G. Lowe, and G. L. 
Crow. 
2006. Distribution and diet of four species of careharhinid 
shark in the Hawaiian Islands: evidence for resource 
partitioning and competitive exclusion. Mar. Ecol. Prog. 
Ser. 320:239-251. 
Pawson, M., and M. Vince. 
1999. Management of shark fisheries in the Northeast 
Atlantic. In Case studies of the management of elasmo- 
branch fisheries (R. Shotton, ed.), p. 1-46 FAO Fish. 
Tech. Paper 378/1. FAO, Rome, Italy. | Available from 
http://www.fao.org/DOCREP/003/X2097E/X2097E01. 
htm#chl., accessed November 2010.] 
Pawson, M. G., and J. R. Ellis. 
2005. Stock identity of elasmobranchs in the Northeast 
Atlantic in relation to assessment and management. J. 
Northwest Atl. Fish. Sci. 35:1-23. 
Pinkas, L., M. S. Olhiphant, and I. L. K. Iverson. 
1971. Food habits of albacore, bluefin tuna and bonito 
in California waters. Fish. Bull. 152:185-200. 
Rodriguez-Cabello, C., F. Sanchez, and I. Olaso. 
2007. Distribution patterns and sexual segregations of 
Scyliorhinus canicula (L.) in the Cantabrian Sea. J. 
Fish Biol. 70:1568-1586. 
Rosecchi, E., and Y. Nouaze. 
1987. Comparison de cinq indices aimentaires utilizes 
dans l’analyse des contenus stomacaux. Rev. Trav. 
Inst. Peches Marit. 49:111-123. [In French ] 
Salgado, J.P., H. N. Cabral, and M. J. Costa. 
2004. Feeding ecology of the gobies Pomatoschistus minu- 
tus (Pallas, 1770) and Pomatoschistus microps (Krpyer, 
1838) in the upper Tagus estuary, Portugal. Sci. Mar. 
68:425-434. 
Serrano, A., F. Velasco, I. Olaso, and F. Sanchez. 
2003. Macrobenthic crustaceans in the diet of demersal 
fish in the Bay of Biscay in relation to abundance in 
the environment. Sarsia 88:36-48. 
Sims, D. W., J. P. Nash, and D. Morritt. 
2001. Movements and activity of male and female 
dogfish in a tidal sea lough: alternative behavioural 
strategies and apparent sexual segregation. Mar. Biol. 
139:1165-1175. 
Sims, D. W., V. J. Wearmouth, E. J. Southall, J. M. Hill, P. Moore, 
K. Rawlinson, N. Hutchinson, G. C. Budd, D. Righton, J. D. 
Metcalfe, J. P. Nash, and D. Morritt. 
2006. Hunt warm, rest cool: bioenergetic strategy under- 
lying diel vertical migration of a benthic shark. J. 
Anim. Ecol. 75:176-190. 
Sion, L., G. D’Onghia, and A. Tursi. 
2003. First data on distribution and biology of Squalus 
blainvillei (Risso, 1826) from the Eastern Mediterranean 
Sea. J. Northwest Atl. Fish. Soc. 31:213-219. 
Sousa, P, M. Azevedo, and M. C. Gomes. 
2005. Demersal assemblages off Portugal: Mapping, sea- 
sonal, and temporal patterns. Fish. Res. 75:120-137. 
Stehmann, M., R. Thiel, and H. Rosenthal, 
2009. Research on elasmobranchs (sharks, skates and 
rays) - improving our knowledge base to conserve and 
manage these highly endangered and ancient fish. J. 
Appl. Ichthyol. 25:1-2. 
Stevens, J. D., R. Bonfil, N. K. Dulvy, and P. A. Walker. 
2000. The effects of fishing on sharks, rays, and chimae- 
ras (chondrichthyans), and the implications for marine 
ecosystems. ICES J. Mar. Sci. 57:476-494. 
Wallace, H., and J. S. Ramsey. 
1983. Reliability in measuring diet overlap. Can. J. 
Fish. Aquat. Sci. 40:347-351. 
Whitehead, P. J. P., M. L. Bauchot, J. C. Hureau, J. Nielsen, and 
E. Tortonese (eds). 
1986. Fishes of the north-eastern Atlantic and Mediter- 
ranean, vol. I, II, III, 1473 p. UNESCO, Paris. 
