Abstract
Abstract Herring larvae (Clupea harengus L.) were collected off western Norway in April 1991, 1992, and 1993. The larvae were length measured, staged and analysed individually for fatty acid content. Both absolute and relative amounts of individual fatty acids were used as input in principal component analyses (PCA), and the results revealed significant size and stage specific trends in composition. These differences were attributed to the same fatty acids all three years. Qualitative differences in the fatty acid composition of larvae with above average and below average total fatty acid content within respective developmental stages indicate possible maternal effects and effects of previous feeding history. The efforts on using fatty acid profiles as nutritional indices of the individual herring larvae will therefore be continued.
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