Table 1. Natural food fluctuations (% of total food intake) of different size classes of European seabass, Dicentrarchus labrax
Type of food Life stage/size class
  Fry (<30 mm SL) Adult
Detritus  +  
Copepods 92  
Invertebrates  6�7 70
Fish   30
Fish larvae < 1  
Source: Ferrari and Chieregato (1981); Costa (1988); Henderson and Corps (1997)
Approximate indicative weight of different size classes of European seabass
Life stages Length (mm) Weight (g)
Newly hatched larvae  3�4  
Mouth opening    
Weaning on dry feed    
40 d old   15�20 mg
Fry, leaving hatcheries    2�5
Fingerlings, grow-out    5�10
Market size    350�800
Broodstock   >400