Table 1. Relative proportions of food items eaten  (% of relative food intake by volume) by Sparus aurata in natural waters
Food items	% of total
Crustacea	49.8
Molluscs	35.6
Polychates	6.5
Other finfish	2.8
Echinoderms	2.4
Ascidians	0.9
Others	2
	% of total food intake
Length (cm)	Crustaceans	Molluscs	Fish	Other invertebrates
10�15	28.6	42.9	0	28.6
16�20	50	33.9	3.6	12.5
21�25	51.5	34.6	2.2	11.7
26�30	44.4	38.4	4.6	12.6
31�35	63.9	25	5.6	5.6
36�40	70	25	0	5
41�50	5.3	36.8	0	57.9
Source: Recalculated from Wassef and Eisawy (1985)