prey field in the gut of these larvae and its variability through the spawning season
(Fig. 13.17), using the mtCOI gene as a marker. Preliminary results indicate that
larval sardines have opportunistic feeding habits, rather than species-specific selectivity (Yebra et al. 2018).
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0%
20%
40%
60%
80%
100%
October
December
Clausocalanus furcatus
Subeucalanus pileatus
Temora stylifera
Unassigned
Fig. 13.17 Variability in
the relative abundance of
prey (OTUs detected by
metabarcoding of mtCOI
gene) in guts of Sardina
pilchardus larvae collected
in Bay of Malaga during
autumn 2013. A shift in the
main prey species (calanoid
copepods) was observed
through the spawning
season
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