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Volume 39- Number 2 - 2004
Article


Osteological analysis of the menhaden Brevoortia aurea (Spix) (Actinopterygii: Clupeidae) in the southwestern Atlantic

Valeria Segura1 y Juan M. Díaz de Astarloa2

 

(1) Departamento de Ciencias Marinas, Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata, Funes 3350, B7602AYL, Mar del Plata, Argentina
(2) Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET). Instituto Nacional de Investigación y Desarrollo Pesquero (INIDEP), Paseo Victoria Ocampo 1, B7602HSA, Mar del Plata, Argentina

 

E-mail: vsegura@mdp.edu.ar


A comparative osteological analysis between specimens of Brevoortia aurea from two regions of the southwestern Atlantic was done. The aim of this paper was to describe the osteology of the menhaden in order to bring diagnostic characteristics that allow species discrimination from other congeneric species. Methods of preparing disarticulated skeletons of large specimens (162-285 mm SL), and cleared and stained techniques for small specimens (31.5-112.4 mm SL) were used. The detailed osteological analysis allowed the discussion of the similarities and differences among other clupeid species

 

Key words: Fishes, taxonomy, osteology


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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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