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Cephalopods from the stomachs of a Risso's dolphin (Grampus griseus) from the Mediterranean

Published online by Cambridge University Press:  11 May 2009

M. Würtz ,
R. Poggi  and
Malcolm R. Clarke
M. Würtz
Affiliation:
Istituto di Anatomia Comparata, Università di Genova, Genova, Italy
R. Poggi
Affiliation:
Museo di Storia Naturale G. Doria, Genova, Italy
Malcolm R. Clarke
Affiliation:
Ancarva, Southdown, Millbrook, Torpoint, Cornwall, PL10 1EZ
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Extract

Cephalopod remains from the stomachs of a Risso's dolphin (Grampus griseus Cuvier, 1812, Cetacea) entangled in a fishing net off the Ligurian coast (central Mediterranean Sea) include squids Ancistroteuthis lichtensteini, Histioteuthis bonnellii, H. reversa and Todarodes sagittatus and the sepiolid Heteroteuthis dispar. All these cephalopods live in oceanic water including water over the steep continental slope where Risso's dolphin is frequently sighted. Histioteuthis reversa contributed 78% of the cephalopods by number, 81% of the wet weight and 73% of the dry weight and calorific value. The total calorific value of the cephalopods represented by lower beaks was 17,300 kj.

Type
Research Article
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 72 , Issue 4 , November 1992 , pp. 861 - 867
Copyright
Copyright © Marine Biological Association of the United Kingdom 1992

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