1. Laboratory of Molecular Ecology, Institute of Animal Physiology and Genetics, Academy of Sciences of the Czech Republic, Liběchov 27721, Czech Republic
2. Department of Animal Physiology and Immunology, Institute of Experimental Biology, Faculty of Science, Masaryk University, Brno 61137, Czech Republic
3. Laboratory of Fish Genetics, Institute of Animal Physiology and Genetics, Academy of Sciences of the Czech Republic, Liběchov 27721, Czech Republic
4. Department of Ecology and Evolutionary Biology, Cornell University, Ithaca, NY 14853, USA