Figure 6
From: Lipid metabolism of sea urchin Paracentrotus lividus in two contrasting natural habitats

Seasonal variation of C 20:5 (n-3) in the most representative dietary sources (a), gut contents (b) and gonads (c) of P. lividus from P. oceanica meadow and rocky bottom. Each point corresponds to the analysis of a pooled sample, as detailed in “Materials and methods” section.