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  67 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  34  
Mouth opening    
Weaning on dry feed    
40 d old   1520 mg
Fry, leaving hatcheries    25
Fingerlings, grow-out    510
Market size    350800
Broodstock   >400