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The Relative Condition Factor of Greenland halibut (Reinhardtius hippoglossoides) was analysedfor seasonal, annual and geographical variability. Sampling covered commercial fishing and scientificsurveys in three areas of the North Atlantic (NAFO Divisions 3M and 3LNO, and ICES DivisionIIb), comprising a total of 64 984 individuals from 1992 to 2003. Several data sets were establishedin order to carry out the comparisons: individuals as a whole; by sex - females and males separately;and by areas - each area independently. Condition showed significant differences with regard to thearea, season, size range and sex, but it was not always significant among interactions of these factors.Individuals from the Northeast Atlantic had better condition, while those in the Northwest Atlanticsuffered a notable fall in condition throughout the studied period, mainly in Flemish Cap. Conditionwas lightly superior in females, regarding size. A clear increment in the feeding intensity appearedwhen the condition diminished. When the total weight is used to calculate the condition, more remarkabledifferences could be expected because this index is sensitive to the gonad weight; in this respect,adult females showed more marked differences. Moreover, the complex maturity schedule and variablematurity at size would contribute to find misleading differences. Feeding habits of Greenland halibutwere studied in the same areas based on a sample of 19 001 fish. Feeding intensity was the higher onthe Flemish Cap, where the main preys were Pandalus borealis, Sebastes spp. and Serrivomer beani.P. borealis predation increased in the late 1990s. Diet was piscivorous in Div. 3LNO and Div. IIb aswell, mainly based on Mallotus villosus and Micromesistius poutassou, respectively. Cannibalism andoffal consumption was remarkable in Svalbard (ICES Div. IIb). Fish predation increased when predatorsize increased. Molluscs took an important place in the diet of intermediate sizes in Div. 3LNO andIIb. Similar diet pattern for both sexes was observed

Condition and Feeding of Greenland Halibut (Reinhardtius hippoglossoides) in the North Atlantic with Emphasis on the Flemish Cap