RUTKAYOVÁ, Jitka, Roman BISKUP, Radovan HARANT, Vlastimil ŠLECHTA and Ján KOŠČO. Ameiurus Melas (Black Bullhead): Morphological Characteristics of New Introduced Species and Its Comparison with Ameiurus Nebulosus (Brown Bullhead). Reviews in Fish Biology and Fisheries, 2012. ISSN 0960-3166. doi:10.1007/s11160-012-9274-6.
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Basic information
Original name Ameiurus Melas (Black Bullhead): Morphological Characteristics of New Introduced Species and Its Comparison with Ameiurus Nebulosus (Brown Bullhead)
Name (in English) Ameiurus Melas (Black Bullhead): Morphological Characteristics of New Introduced Species and Its Comparison with Ameiurus Nebulosus (Brown Bullhead)
Authors RUTKAYOVÁ, Jitka, Roman BISKUP, Radovan HARANT, Vlastimil ŠLECHTA and Ján KOŠČO.
Edition Reviews in Fish Biology and Fisheries, 2012, 0960-3166.
Other information
Type of outcome Article in a journal
Confidentiality degree is not subject to a state or trade secret
Organization unit Institute of Technology and Business in České Budějovice
Doi http://dx.doi.org/10.1007/s11160-012-9274-6
Keywords in English Morphometry, Multivariate analyse, Osteology, Genetics, Pectoral spine and Ameiurus
Tags KPV1
Tags International impact, Reviewed
Changed by Changed by: Mgr. Roman Biskup, Ph.D., učo 12967. Changed: 7/7/2013 16:25.
Abstract
In the present study we examined and compared external morphology as well as osteological characters of two species of the genus Ameiurus (Teleostei, Ictaluridae): the black bullhead (Ameiurus melas) and brown bullhead (Ameiurus nebulosus), two catfish species that are invasive to Europe. In total 83 (53 and 30) individuals were captured in the Czech Republic and the Slovak Republic and further analysed. For genetic screening of both Ameiurus species were chosen three DNA regions: part of nuclear Recombination activating gene 1 (RAG-1), mitochondrial gene for cytochrome b (cyt b) and mitochondrial sequence which includes 12S and 16S ribosomal RNA genes. The results presented in this paper concern specific osteological characteristics (original scheme of pectoral spine and pectoral girdle) used for the determination purposes and also verification that mathematical multivariate methods for external morphology analysis can be used for the determination of Ameiurus species. The summary of 80 out of 83 fish (96.4 %) was correctly classified using the discriminant analysis.
Abstract (in English)
In the present study we examined and compared external morphology as well as osteological characters of two species of the genus Ameiurus (Teleostei, Ictaluridae): the black bullhead (Ameiurus melas) and brown bullhead (Ameiurus nebulosus), two catfish species that are invasive to Europe. In total 83 (53 and 30) individuals were captured in the Czech Republic and the Slovak Republic and further analysed. For genetic screening of both Ameiurus species were chosen three DNA regions: part of nuclear Recombination activating gene 1 (RAG-1), mitochondrial gene for cytochrome b (cyt b) and mitochondrial sequence which includes 12S and 16S ribosomal RNA genes. The results presented in this paper concern specific osteological characteristics (original scheme of pectoral spine and pectoral girdle) used for the determination purposes and also verification that mathematical multivariate methods for external morphology analysis can be used for the determination of Ameiurus species. The summary of 80 out of 83 fish (96.4 %) was correctly classified using the discriminant analysis.
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