Food and Feeding Habits Summary

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Food and Feeding Habits Summary Sphyrna zygaena

Main Ref.	Gonzalez-Pestana, A., N. Acuna-Perales, J. Coasaca-Cespedes, F. Cordova-Zavaleta, J. Alfaro-Shigueto, J.C. Mangel and P. Espinoza, 2017
Fish stage	juv./adults	Mean length	173.50 TL
Sample size	485	Percent empty	22
Country	Peru	Locality	along the coast of northern Peru
Period	January February March April May June July August September October November December Highlighted items on the list are known Feeding Periods of Sphyrna zygaena

Diet percent	Food I	Food II	Food III	Prey stage	Item Name	Comments
0.10 %	nekton	finfish	bony fish	juv./adults	Scomberesox saurus scombroides	%W=0.1
0.10 %	nekton	finfish	bony fish	juv./adults	Selene brevoortii	%W=0.1
0.10 %	nekton	finfish	bony fish	juv./adults	Trachurus murphyi	%W=0.1
0.10 %	nekton	finfish	bony fish	juv./adults	unspecified Fistulariidae	%W=0.1
0.20 %	nekton	finfish	bony fish	juv./adults	Hemanthias peruanus	%W=0.2
0.30 %	nekton	finfish	bony fish	juv./adults	Anchoa nasus	%W=0.3
0.30 %	nekton	finfish	bony fish	juv./adults	Sardinops sagax	%W=0.3
0.30 %	nekton	finfish	bony fish	juv./adults	Scomber japonicus	%W=0.03
0.40 %	nekton	finfish	bony fish	juv./adults	Opisthonema libertate	%W=0.4
0.60 %	nekton	finfish	bony fish	juv./adults	unspecified Engraulidae	%W=0.6
1.60 %	nekton	finfish	bony fish	juv./adults	Ancistrocheirus lesueurii	%W=1.6
1.70 %	nekton	finfish	bony fish	juv./adults	Merluccius gayi peruanus	%W=1.7
2.20 %	nekton	finfish	bony fish	juv./adults	Stigmatoteuthis hoylei	%W=2.2
3.20 %	nekton	finfish	bony fish	juv./adults	Peprilus sp.	%W=3.2
2.70 %	detritus	detritus	carcasses	n.a./others	unspecified fish remains	%W=2.7
2.10 %	zoobenthos	mollusks	octopi	juv./adults	Octopodea	%W=2.1. Refers to Argonauta spp., Tremoctopus violaceus.
0.10 %	nekton	cephalopods	squids/cuttlefish	juv./adults	Architeuthis dux	%W=0.1
1.00 %	nekton	cephalopods	squids/cuttlefish	juv./adults	Ommastrephes bartramii	%W=1
1.20 %	nekton	cephalopods	squids/cuttlefish	juv./adults	Octopoteuthis sicula	%W=1.2
7.51 %	nekton	cephalopods	squids/cuttlefish	juv./adults	Gonatus antarcticus	%W=7.5
9.11 %	nekton	cephalopods	squids/cuttlefish	juv./adults	Mastigoteuthis dentata	%W=9.1
30.53 %	nekton	cephalopods	squids/cuttlefish	juv./adults	Dosidicus gigas	%W=30.5
34.53 %	nekton	cephalopods	squids/cuttlefish	juv./adults	Doryteuthis gahi	%W=34.5

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cfm script by eagbayani, 01.11.99 , php script by rolavides, 07/05/08 , last modified by dsantos, 09/02/14