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Predation on cephalopods by the giant red shrimp Aristaeomorpha foliacea

Published online by Cambridge University Press:  30 September 2002

Giambattista Bello
Affiliation:
Arion, CP 61, 70042 Mola di Bari, Italy
Carlo Pipitone
Affiliation:
CNR-IRMA, Laboratorio di Biologia Marina, via Giovanni da Verrazzano 17, 91014 Castellammare del Golfo, Italy

Abstract

The stomachs of 427 giant red shrimps, Aristaeomorpha foliacea, caught in the Strait of Sicily (Mediterranean Sea) during four seasonal surveys contained 73 cephalopods, or 8·6% of prey. Cephalopods ranked third as prey following crustaceans (49·2% of prey) and bony fish (20·5% of prey). The following cephalopod taxa were identified: Heteroteuthis dispar, Sepietta oweniana, Brachioteuthis sp., Abraliopsis morisii, Onychoteuthis banksii, Ancistroteuthis lichtensteinii, Histioteuthis bonnellii, H. reversa, Taoniinae sp., Octopodidae sp.; the dominant species was Heteroteuthis dispar (13 specimens). All remains pertained to small and very small specimens, including early juveniles; rostral length of 13 beaks (=17·8% of cephalopods) measured <1 mm. Early juveniles were found in stomach contents only in summer and winter. Cephalopod size was found to be positively correlated to shrimp size. No seasonal nor predator sex-related differences were found in the quantities and frequencies of ingested cephalopods.

Type
Research Article
Copyright
2002 Marine Biological Association of the United Kingdom

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