Please use this identifier to cite or link to this item: http://hdl.handle.net/10553/43348
Title: Pathology and causes of death of stranded cetaceans in the canary Islands (1999-2005)
Authors: Arbelo Hernández, Manuel Antonio 
Espinosa de los Monteros y Zayas, Antonio 
Herráez Thomas, Pedro Manuel 
Andrada Borzollino, Marisa Ana 
Sierra Pulpillo, Eva María 
Rodríguez Guisado, Francisco 
Jepson, Paul D.
Fernández Rodríguez, Antonio Jesús 
UNESCO Clasification: 310907 Patología
Keywords: Stranded cetaceans
Necropsy
Military maneuvers
Issue Date: 2013
Publisher: 0177-5103
Journal: Diseases of Aquatic Organisms 
Abstract: Between 1999 and 2005, 233 stranded cetaceans (comprising 19 species) were reported in the waters of the Canary Islands. Of these, 138/233 (59.2%) were subjected to a complete or partial standardized necropsy, including 4 Balaenopteridae, 9 Physeteridae, 8 Kogiidae, 27 Ziphiidae and 90 Delphinidae. Of these, 46/138 (33.3%) cetaceans were diagnosed with anthropogenic pathological categories (i.e. the cause of death was anthropogenic). These included fishing interaction (bycatch) (19 individuals), 'atypical' mass stranding events linked to naval exercises (13), ship collisions (8) and other anthropogenic-related pathology (6). 'Natural' (i.e. non-anthropogenic) causes of death accounted for another 82/138 (59.4%) cases, including infectious and non-infectious diseases (63), neonatal pathology (8), intra- and interspecific interactions (6) and mass strandings (5). The cause(s) of death could not be determined in 10/138 (7.3%) necropsied animals. The most common causes of death were ship collisions in 6/9 (66.6%) Physeteridae, 'atypical' mass stranding linked to naval exercises in 13/27 (48.1%) Ziphiidae, and 'natural' infectious and non-infectious diseases in 55/90 (61.1%) Delphinidae. Interaction with fishing activities was established as cause of death in 15/90 (16.7%) Delphinidae. These data show that a range of anthropogenic and natural single and mass mortality events occur in multiple cetacean species stranded in the Canary Islands.
URI: http://hdl.handle.net/10553/43348
ISSN: 0177-5103
DOI: 10.3354/dao02558
WOS:000317356800001
Source: Diseases of Aquatic Organisms [ISSN 0177-5103], v. 103(2), p. 87-99
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