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Volume 42 - Number 1 - 2007
Artículo


Estimation of body size using morphometric relationships of head bones, pectoral fin bones and bony precaudal distance in Raneya brasiliensis (Kaup, 1856) (Pisces, Ophidiiformes, Ophidiidae) in Patagonian waters

Atila E. Gosztonyi1, Luisa Kuba1 and Lidia E. Mansur1

 

1 Centro Nacional Patagónico. Bvd. Brown s/n. (9120) Puerto Madryn, Chubut, Argentina

 

E-mail: goszto@cenpat.edu.ar

 

The ophidiid fish Raneya brasiliensis (Kaup, 1856), is a key link in the Southwestern Patagonian higher level food web. Predictive regression equations were calculated to estimate total length in this species, using head length, various head bone lengths, cleithrum length and bony precaudal length as the independent variables. Log-transformed data gave the best fits in the equations obtained


Key words: Piscivory, Marine mammals, Marine birds, Argentine Patagonia

 

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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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