Fig. 3

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Mean (± standard error) (a) food consumption rates (mg wet weight fish eaten, g wet weight kōura−1 24 h−1) and (b) calorific assimilation efficiencies (kcal of fish eaten, g wet weight kōura−1 24 h−1) of eel, catfish or pollack by kōura. For (b), significant differences between treatments are emphasised with letters.

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