Meristic and biometric parameters of spined loach, Cobitis taenia (L.) (Cypriniformes, Cobitidae) from Zegrzyński Dam Reservoir
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چکیده
منابع مشابه
Age, reproduction and fecundity of the spined loach Cobitis taenia L. (Pisces, Cobitidae) from Lake Klawój (Poland).
This is the first study concerning the features of the reproduction process of the karyologically identified spined loach C. taenia (2n=48). The histology of 71 ovaries, and gonadosomatic index (GSI) of karyologically identified spined loach Cobitis taenia L. from Lake Klawój (Northern Poland) were examined. The absolute and relative fecundity of 25 females was estimated by gravimetric method. ...
متن کاملEuropean colonization by the spined loach (Cobitis taenia) from Ponto-Caspian refugia based on mitochondrial DNA variation.
In the last 20 years, new species, asexual reproduction, polyploidy and hybridization have all been reported within the genus Cobitis. An understanding of the current distribution and baseline phylogeographical history of 'true' nonhybrid Cobitis species is crucial in order to unravel these discoveries. In the present work, we investigated the phylogeography of the spined loach, Cobitis taenia,...
متن کاملoccurrence of Ligula colymbi (cestoda) in spined loach (Cobitis taenia) and its effects on reproduction and growth of the host
The infection prevalence of Ligula colymbi plerocercoids in the spined loach Cobitis taenia inhabiting brackish waters of the Baltic Sea, and the effects of the parasite on the reproduction and growth of the host were studied. There was no significant trend in the infection rate among the different sampling dates in May–July. In total, 24.6% of females and 15.4% of males were infected. In most ...
متن کاملTaxonomic study of the Cobitis striata complex (Cypriniformes, Cobitidae) in Japan
Three new species and six new subspecies of the genus Cobitis from the western part of the Japanese archipelago are described: Cobitis kaibarai sp. nov., Cobitis magnostriata sp. nov., Cobitis minamorii sp. nov., Cobitis striata fuchigamii subsp. nov., Cobitis striata hakataensis subsp. nov., Cobitis minamorii oumiensis subsp. nov., Cobitis minamorii tokaiensis subsp. nov., Cobitis minamorii sa...
متن کاملdescriptive osteology of a spined loach, cobitis avicennae from iranian part of the tigris basin
cobitis avicennae is a new described species from iranian part of the tigris basin and little information is available on its different aspects of its biology and holomorphology. hence, this study was conducted to provide a detailed description of its osteological features. for this purpose, the specimens of c. avicennae were cleared and stained and a detailed description of its skeletal struct...
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ژورنال
عنوان ژورنال: Acta Ichthyologica et Piscatoria
سال: 1994
ISSN: 0137-1592,1734-1515
DOI: 10.3750/aip1994.24.2.12