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Gross morphology of the cephalic sensory canals of Strangomera bentincki (Norman, 1936) (Teleostei: Clupeidae)

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Sylvia Sáez

sylvia.saez@uach.cl

1

1

Instituto de Ciencias Marinas y Limnológicas, Universidad Austral de Chile, Casilla 567, Valdivia, Chile

Germán Pequeño

1

1

Instituto de Ciencias Marinas y Limnológicas, Universidad Austral de Chile, Casilla 567, Valdivia, Chile

Resumen

The anatomy, disposition and extension of the main cephalic sensory canals and associated structures in a clupeiform from Chile, S. bentincki, are provided for first time. Ten cephalic canals were identified: supraorbital, infraorbital, anterorbital, postorbital, preopercular, mandibular, ethmoidal, temporal, postemporal and extrascapular. Due to the scarce literature in sensory structures regarding Chilean Clupeiformes, it is necessary more studies about those features for the respective comparisons to obtain a better understanding of the systematic and comparative ethology of the sardines and to have an integral view of the cephalic sensory system of canals in this order.

Palabras clave

Lateral line, Physostomous, sardines, Chile

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