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Volume 41 - Number 2 - 2006
Artículo


Mass stranding of Argonauta nodosa Lightfoot, 1786 (Cephalopoda, Argonautidae) along the Uruguayan coast (southwestern Atlantic)

Mario Demicheli1, Ana Martínez2, Leonardo Ortega2, Fabrizio Scarabino1, 2, Susana Maytía1 and Alvaro Demicheli1 


1 Museo Nacional de Historia Natural y Antropología, C. C. 399, C. P. 11.00, Montevideo, Uruguay
2 Dirección Nacional de Recursos Acuáticos, Constituyente 1497, C. P. 11200, Montevideo, Uruguay

 

E-mail:  anamart@dinara.gub.uy


A mass stranding of A. nodosa was registered along more than 250 km of the Uruguayan coast between January and April 2004. Such unusual event was associated with singular oceanographic and meteorological conditions that advected oceanic warm waters toward the shore, reaching inside the Río de la Plata estuary. This is the first record of a mass stranding of argonautid cephalopods in the southwestern Atlantic Ocean.

 

Key words: Mollusca, Octopoda, oceanography, Río de la Plata, Uruguay

 

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1Laboratorio de Zooplancton, Instituto de Ciencias del Mar y Limnología,Universidad Nacional Autónoma de México. A. P. 70-305, 04510 México, D. F. México
 
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