Document Detail

Effects of Smart Position Only (SPOT) tag deployment on white sharks Carcharodon carcharias in South Africa.
MedLine Citation:
PMID:  22110620     Owner:  NLM     Status:  MEDLINE    
We present 15 individual cases of sub-adult white sharks that were SPOT tagged in South Africa from 2003-2004 and have been re-sighted as recently as 2011. Our observations suggest SPOT tags can cause permanent cosmetic and structural damage to white shark dorsal fins depending on the duration of tag attachment. SPOT tags that detached within 12-24 months did not cause long term damage to the dorsal fin other than pigmentation scarring. Within 12 months of deployment, tag fouling can occur. After 24 months of deployment permanent damage to the dorsal fin occurred. A shark survived this prolonged attachment and there seems little compromise on the animal's long term survival and resultant body growth. This is the first investigation detailing the long term effects of SPOT deployment on the dorsal fin of white sharks.
Oliver J D Jewell; Michelle A Wcisel; Enrico Gennari; Alison V Towner; Marthán N Bester; Ryan L Johnson; Sarika Singh
Publication Detail:
Type:  Journal Article     Date:  2011-11-14
Journal Detail:
Title:  PloS one     Volume:  6     ISSN:  1932-6203     ISO Abbreviation:  PLoS ONE     Publication Date:  2011  
Date Detail:
Created Date:  2011-11-23     Completed Date:  2012-03-26     Revised Date:  2013-06-27    
Medline Journal Info:
Nlm Unique ID:  101285081     Medline TA:  PLoS One     Country:  United States    
Other Details:
Languages:  eng     Pagination:  e27242     Citation Subset:  IM    
Mammal Research Institute, University of Pretoria, Hatfield, Pretoria, South Africa.
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MeSH Terms
Animal Fins / anatomy & histology
Sharks / anatomy & histology*
South Africa
Time Factors

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