506 



Fishery Bulletin 97(3), 1999 



present study suggest that habitat segregation is of 

 importance: juvenile specimens are differentiated 

 from mature ones on the basis of the bottom type 

 and prey selection and to a lesser extent on the basis 

 of depth. 



Literature cited 



Azeta, M., R. Ikemoto, and M. Azuma. 



1980. Diurnal activity rhythms in O-group red sea bream, 



Pagrus major. Bull. Seikai. Reg. Fish. Res. Lab. 54:279- 



289. 

 Berg, J. 



1979. Discussion of methods of investigation the food of 

 fishes with reference to a preliminary study of the prey of 

 Gobiusculus flavencens. Mar. Biol. 50:263-273. 



Bowen, S. H. 



1983. Quantitative description of the diet, /n L. A. Nielsen 

 and D. L. Johnson ledsl. Fisheries techniques p. 325- 

 336. Am. Fish. Soc, Bethesda, MD. 

 Caddy. J. F. 



1993. Some future perspectives for assessment and manage- 

 ment of Mediterranean fisheries. Sci. Mar 57:121-130. 

 Carrothers, P. J. G. 



1980. Estimation of trawl door spread from wing spread. 

 J. Northwest Atl. Fish. Sci. 1:81-89 



Divanach, P., M. Kentouri, G. Charalambakis, F. Pouget, 

 and A. Sterioti. 



1993. Comparison of growth performance of six Mediterra- 

 nean fish species reared under intensive farming condi- 

 tions in Crete (Greece), in raceways with the use of self 

 feeders. In G. Barnabe and P. Kestemont (eds.). Produc- 

 tion, environment and quality, p. 285-297. Special Pub- 

 lication 18, Ghent, Belgium. 

 Efron, B., and R. Tibshirani. 



1986. Bootstrap methods for standard errors, confidence 

 intervals and other measures of statistical accuracy. Stat. 

 Sci. 1:54-77. 



Fange, R., and D. Grove. 



1979. Digestion. In W. S. Hoar, D. J. Randall, and J. R. 

 Brett (eds I, Fish physiology, p. 161-260. Academic Press, 

 New York, NY. 



Fry, F. E. J. 



1971. The effect of environmental factors on the physiol- 

 ogy of fish. In W. S. Hoar, D. J. Randall and J. R. Brett 

 (eds.). Fish physiology, vol. VI, p. 1-98. Academic Press, 

 New York, NY." 



Gibson, R. N.. and I. A. Ezzi. 



1987. Feeding relationships of a demersal fish assemblage 

 on the west coast of Scotland. ,J. Fish Biol. 31:5.5-69. 



Grove, D., and C. Crawford. 



1980. Correlation between digestion rate and feeding fre- 

 quency in the stomachles.s teleost Blennius pholis L. J. 

 Fish Biol. 16:23.5-247. 



Haedrich, R. L., and G. T. Rowe. 



1977. Megafaunal biomass in the deep sea. Nature 269: 

 141-142. 

 Hall, S. J., D. Raffaelli, D. J. Basford, M. R. Robertson, 

 and R. Fryer. 



1990. The feeding relationships of the larger fish species 

 in a Scottish sea loch, J. Fish Biol. 37: 775-791. 

 Harris, P. J., and J. C. McCovern. 



1997. Changes in the life history of the red porgy, Pagrus 



pagrus. from the southeastern United States, 1972- 

 1994. Fish. Bull. 95:732-747. 

 Hawkins, A. D., N. M. Soofiani, and G. W. Smith. 



1985. Growth and feeding of juvenile cod (Gadus morhua 

 L.). J. Cons. Int. Explor Mer 42:11-32. 

 Hurlbert, S. H. 



1978. The measurement of niche overlap and some 

 relatives. Ecology 59: 67-77. 

 Hyslop, E. J. 



1980. Stomach contents analysis-a review of methods and 

 their application. J. Fish Biol. 17:411-429. 



Keast, A. 



1978. Trophic and spatial interrelationships in the fish spe- 

 cies of an Ontario temperature lake. Env. Biol. Fish. 3:7- 

 31. 



Kingett, P. D., and J. H. Choat. 



1981. Analysis of density and distribution patterns in 

 Chry'sophrys auratus (Pisces: Sparidae) within a reef en- 

 vironment: an experimental approach. Mar Ecol. Prog. 

 Ser 5:283-290. 



Kislialioglu, M. and R. N. Gibson. 



1976. Prey "handling time" and its importance in food se- 

 lection by the 15-spined stickleback. Spinachia spinachia 

 (L. ). .J. Exp. Mar Biol. Ecol. 25:151-158. 

 Krebs, C. J. 



1989. Ecological methodology. Harper and Row, New York, 

 NY, 654 p. 

 Langton, R. W. 



1982. Diet overlap between Atlantic Cod. Gadus morhua. 

 Silver Hake. Merluccius bilmeans and fifteen other North- 

 west Atlantic finfish. Fish. Bull. 80:74.5-759. 



Liem, K. F. 



1984. Functional versality, speciation, and niche overlap: 

 are fishes different? In D. G. Meyers and J. R. Strickler 

 (eds), Trophic interactions within aquatic ecosystems, p. 

 269-305. Westview Press, Boulder. 

 L' Abee-Lund, J. H., A. Langeland, B. Jonsson, and 

 O. Ugedal. 



1993. Spatial segregation by age and size in Arctic charr: a 

 trade-off between feeding possibility and risk of pre- 

 dation. J. Anim. Ecol. 62:160-168. 

 Machias, A., N. Tsimenides, L. Kokokiris, and P. Divanach. 

 1998. Ring formation on otoliths and scales of Pagrus 

 pagrus: a comparative study. J. Fish Biol. 52: 350-361. 

 MacPherson, E. 



1981. Resource partitioning in a Mediterranean demersal 

 fish community Mar. Ecol. Prog. Ser 4:183-193. 

 MacPherson E., and C. M. Duarte. 



1991. Bathymetric trends in demersal fish size: is there a 

 general relationship? Mar Ecol. Prog. Ser 71:103-112. 

 Manooch, C. S. 



1976. Reproductive cycle, fecundity and sex ratios of the 

 red porgy, Pagrus pagrus (Pisces: Sparidae) in North 

 Carolina." Fish. Bull. 74:775-781. 



1977. Foods of the red porgy, Pagrus pagrus Linnaeus (Pi- 

 sces: Sparidae), from North Carolina and South Carolina. 

 Bull. Mar Sci. 27:776-787. 



Manooch, C. S., and W. W. Hassler. 



1978. Synopsis of biological data on the red porgy, Pagrus 

 pagrus (Linnaeus). U.S. Dep. Commer. NOAATech. Rep. 

 NMFSCirc. 412:1-19. 



Manooch, C. S., and G. R. Huntsman. 



1977. Age, growth and mortality of the red porgy, Pagrus 

 pagrus. Trans. Am. Fish. Soc. 106:26-33. 

 Martin, N. V. 



1970. Long-term effects of diet on the biology of the lake 



