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...

We present a phylogenetic investigation of the Northern Clade, the major monophyletic clade within the freshwater fish family Cobitidae, one of the most prominent families of freshwater fishes found in Asian and European waters. Phylogenetic reconstructions based on the cytochrome b and RAG-1 genes show the genera Microcobitis, Sabanejewia, Koreocobitis and Kichulchoia as monophyletic groups. T...

Recruits of Lipophrys pholis, Coryphoblennius galerita and Gobius cobitis spend the low tide under water in pools, and in the case of G. cobitis also in channels. The pools used by the two blenniids show greater similarity than those used by G. cobitis. Larger juveniles and adults of C. galerita continue to use the same type of pools, which are temporarily abandoned by the males during the bree...

In this paper, we report on the distribution, habitat, population structure and conservation needs of Cobitis ohridana and Barbatula zetensis in the basin of the River Moraca in Montenegro. Our data show both species to be mainly distributed in the lower stretch of the main river and some tributaries in lowland habitats. Cobitis ohridana preferred more shallow water with a higher abundance of f...

Gyrodactylus latus Bychowsky, 1933 (Monogenea, Gyrodactylidae) was found on fins of Cobitis elongatoides Bacescu et Maier, 1969 (Teleostei, Cobitidae) from tributaries of the Stobrawa River (Odra Basin, Silesia, Poland). It is new to the Polish parasite fauna; its description, measurements, and figures are presented.

Interspecific hybridization may result in asexual hybrid lineages that reproduce via parthenogenesis. Contrary to true parthenogens, sperm-dependent asexuals (gynogens and hybridogens) are restricted to the range of bisexual species, generally the parental taxa, by their need for a sperm donor. It has been documented that asexual lineages may rarely use sperm from a non-parental species or even...

Distinguishing between hybrid introgression and incomplete lineage sorting causing incongruence among gene trees in that they exhibit topological differences requires application of statistical approaches that are based on biologically relevant models. Such study is especially challenging in hybrid systems, where usual vectors mediating interspecific gene transfers--hybrids with Mendelian hered...

Interspecific hybridization, polyploidization and transitions from sexuality to asexuality considerably affect organismal genomes. Especially the last mentioned process has been assumed to play a significant role in the initiation of chromosomal rearrangements, causing increased rates of karyotype evolution. We used cytogenetic analysis and molecular dating of cladogenetic events to compare the...