Fig. 4

Mean (±SE) concentrations (mg g−1) of a saturated (SFAs), monounsaturated (MUFAs) and polyunsaturated fatty acids (PUFAs), n-3 PUFAs and n-6 PUFAs, and b palmitic acid (16:0), palmitoleic acid (16:1n-7), linoleic acid (18:2n-6), arachidonic acid (20:4n-6), oleic acid (18:1n-9) and docosahexaenoic acid (22:6n-3) in pools of sprat and herring caught from the Baltic Proper (BPr), Bothnian Sea (BS) and Gulf of Finland (GoF) in autumn and spring. Numbers of sample pools (total body homogenates) are indicated; pools of sprat consisted of 12–92 and of herring 7–133 specimens. Note the different scales in (b)