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The seasonal, annual and geographical changes in the Relative Condition Factor (Kr) of a totalof 24 410 individual American plaice (Hippoglossoides platessoides Fabricius) were analysed. Thesesamples were collected in three areas of the North Atlantic (NAFO Division 3M and Div. 3LNO, andICES Div. IIb) in commercial fishing and scientific surveys from 1992 to 2003. Condition presentedsignificant variation in both sexes as far as area, season and year effects were concerned.Condition decreased greatly in Div. 3M, slightly increased in Div. IIb and it was quite constantin Div. 3LNO in the considered period for each area. Relative Condition Factor value showed aremarkable relation with the estimated biomass in Div. 3M. Females showed a better condition thanmales, and condition in the periods of spring and summer was lower than in the periods of autumnand winter for both sexes. Interannual variation in condition was more evident in small sized (immature)individuals.The spawning period corresponded with the peak of condition in females and with a decrease inmales. Feeding intensity and condition were inversely related across season, however when the sameperiod was studied across years they showed a similar pattern.Food and feeding of 8 543 individual American plaice from these three areas were examined.Feeding intensity was higher on the Flemish Cap (78%). The main prey in the composition of stomachcontents for this area, were Ophiuroidea (56%), Hyperiidea (13%) and Pandalus borealis (8%).Changes in the main components of the diet were found in the last years. Feeding habits by size rangeand comparison with the other areas were also analysed

Condition and feeding of American Plaice (Hippoglossoides platessoides) in the North Atlantic with emphasis on the Flemish Cap