Fig. 4: Phospholipid ratios.

LPE/PE and LPC/PC ratio identified in lipid extracts of common octopus’ (Octopus vulgaris) arm muscle captured in three locations along the Iberian Atlantic coast (Ria Arousa—RAr, Peniche—Pe, and Santa Luzia—SL). Different letters indicate significant differences between sampling locations (Tukey’s HSD post hoc test, p < 0.05).