Morphometric comparison of the cephalic region of cultured Acipenser baerii (Brandt, 1869), Acipenser naccarii (Bonaparte, 1836) and their hybrid
Identifieur interne : 000459 ( Istex/Curation ); précédent : 000458; suivant : 000460Morphometric comparison of the cephalic region of cultured Acipenser baerii (Brandt, 1869), Acipenser naccarii (Bonaparte, 1836) and their hybrid
Auteurs : C. Costa [Italie] ; E. Tibaldi [Italie] ; L. Pasqualetto [Italie] ; A. Loy [Italie]Source :
- Journal of Applied Ichthyology [ 0175-8659 ] ; 2006-02.
Abstract
Geometric morphometric techniques were used in the characterization of morphological differences of the cranial region in cultured Acipenser baerii and A. naccarii and their hybrid. Species identification in sturgeons sometimes is difficult, because of the morphological plasticity of individual variability and the small differences between taxa. Identification is also complicated by human intervention and manipulation (e.g. aquaculture, hybridization, pollution). This study indicates how the differences between two species and their hybrids can be quantified and accurately visualized via geometric morphometrics. This technique may serve as a useful methodology to supplement analytical studies on morphometrics and systematics in Acipenseridae.
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DOI: 10.1111/j.1439-0426.2006.00647.x
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