alexa Last “Atypical” Beaked Whales Mas
ISSN: 2155-9910

Journal of Marine Science: Research & Development
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Research Article

Last “Atypical” Beaked Whales Mass Stranding in the Canary Islands (July, 2004)

A Fernández1*, E. Sierra1, V. Martín2, M. Méndez1, S. Sacchinni1, Y. Bernaldo de Quirós1, M. Andrada1, M. Rivero1, O. Quesada1, M. Tejedor2 and Arbelo M1

1Veterinary Histology and Pathology, Institute of Animal Health, Veterinary School, University of Las Palmas de Gran Canaria, Canary Islands, Spain

2Society for the Study of Cetaceans in the Archipelago Canary (SECAC) – Canary Islands, Spain

*Corresponding Author:
Dr. A Fernández
Veterinary Histology and Pathology
Institute of Animal Health, Veterinary School
University of Las Palmas de Gran Canaria
Canary Islands, Spain
E-mail: [email protected]

Received date March 07, 2012; Accepted date April 21, 2012; Published date April 23, 2012

Citation: Fernández A, Sierra E, Martín V, Méndez M, Sacchinni S, et al. (2012) Last “Atypical” Beaked Whales Mass Stranding in the Canary Islands (July, 2004). J Marine Sci Res Dev 2:107. doi: 10.4172/2155-9910.1000107

Copyright: © 2012 Fernández A, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.



In July 2004, four Ziphius cavirostris stranded in the Canary Islands several days after an international naval exercises were conducted north of the Canary Islands. During the maneuvers high intensity mid-frequency sonar was used. Three of the animals were fully necropsied. Abundant fresh non-digestive aliment was found in all stomachs. Hemorrhages were a constant finding in several organs. Although “in vivo” gas embolism could not be established due to decomposition, systemic fat embolism was diagnosed in all three beaked whales. Epidemiological and pathological findings were highly consistent with an “atypical” beaked whale mass stranding that was temporally and spatially associated with sonar. This was the last atypical mass stranding in the Canary Islands once an antisonar moratorium was established around the islands, following the EU parliament recommendation and Spanish government resolution in 2004.

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