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

  • M. Würtz (a1), R. Poggi (a2) and Malcolm R. Clarke (a3)

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.

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M.R. Clarke , 1966. A review of the systematics and ecology of oceanic squids. Advances in Marine Biology, 4, 91300

W.E. Ricker , 1973. Linear regressions in fishery research. Journal of Fisheries Research Board of Canada, 30, 409434.

G. Tamino , 1953. Recupero di un Grampus griseus (Cuv.) arenato sul lido di Ladispoli (Roma) il 5 aprile 1953. Bollettino di Zoologia, 20, 4550.

D. Viale , 1979. Mise en évidence d'une fonction excrétrice de la peau chez certains cétacés odontocètes et mysticètes. Journal of Experimental Marine Biology and Ecology, 40, 201221.

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Journal of the Marine Biological Association of the United Kingdom
  • ISSN: 0025-3154
  • EISSN: 1469-7769
  • URL: /core/journals/journal-of-the-marine-biological-association-of-the-united-kingdom
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