Food and Feeding Habits Summary - Balaenoptera acutorostrata

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Food and Feeding Habits Summary Balaenoptera acutorostrata

Main Ref.	Tamura, T., K. Konishi, T. Isoda, R. Okamoto and T. Bando, 2009
Fish stage	juv./adults	Mean length	none
Sample size		Percent empty
Country		Locality	northwest Pacific
Period	January February March April May June July August September October November December Highlighted items on the list are known Feeding Periods of Balaenoptera acutorostrata

Diet percent	Food I	Food II	Food III	Prey stage	Item Name	Comments
2.43 %	zoobenthos	benth. crust.	benth. copepods	juv./adults	Calanus sp.
0.19 %	nekton	finfish	bony fish	juv./adults	small anchovy
0.27 %	nekton	finfish	bony fish	juv./adults	Brama japonica
4.17 %	nekton	finfish	bony fish	juv./adults	mackerel	Scomber japonicus and Pleurogrammus monopterygius.
29.16 %	nekton	finfish	bony fish	juv./adults	Engraulis japonicus
46.08 %	nekton	finfish	bony fish	juv./adults	Cololabis saira
9.85 %	zooplankton	plank. crust.	euphausiids	juv./adults	Euphausiacea	Ephausia japonica and Thysanoessa gregaria.
5.48 %	others	others	n.a./others	n.a./others	others
2.35 %	nekton	cephalopods	squids/cuttlefish	juv./adults	squids	Todarodes pacificus and Berryteuthis anonychus.