Ewa Kulczykowska is head of the Department of Genetics and Marine Biotechnology in the Institute of Oceanology at the Polish Academy of Sciences in Powstanców, Warszawy, Poland. Wlodzimierz Popek is a professor in the Department of Ichthyology and Fisheries at the University of Agriculture in Krakow, Poland. B.G. Kapoor is a former professor of zoology at Jodhpur University in India.