Evolutionary ecology of clonal-bisexual complexes in spined loaches from genus Cobitis (Pisces, Cobitidae)

@article{Vasilev2011EvolutionaryEO,
  title={Evolutionary ecology of clonal-bisexual complexes in spined loaches from genus Cobitis (Pisces, Cobitidae)},
  author={Valery Vasil’ev and Ekaterina Lebedeva and Ekaterina Vasil’eva},
  journal={Journal of Ichthyology},
  year={2011},
  volume={51},
  pages={932-940}
}
The objective of this work was to analyze several aspects of evolutionary ecology of the spined loach clonal-bisexual complexes. This analysis demonstrates that the twofold population growth rate in clonal forms compared with bisexual species is not a proper feature of spined loaches, because their clonal forms are polyploids with the larger eggs and correspondingly the lower individual fecundity. Both the larger nutrient stores in eggs and the larger hatchlings provide certain ecological… CONTINUE READING