Table1. Natural food fluctuations (% of total food intake) of different size classes of Atlantic salmon, Salmo salar
Type of food Life stage/size class
  Fry Fingerling Juvenile Grower Broodstock
Invertebrates 100 100 85 25 25
Fish     15 75 75
Source: Scott & Crossman (1973)
Approximate indicative weight of different size classes of Atlantic salmon
Life stage Weight (g)
Fry 0.31.0
Fingerling 1.05.0
Parr 5.030
Smolt 3080
Grower 1004 000
Adult >4 000