Wohlfarth, G., Fish and Aquaculture Research Station, DorIsrael
Moav, R., Department of Genetics, Hebrew University, JerusalemIsrael
Hulata, G., Department of Genetics, Hebrew University, JerusalemIsrael
Beiles, A., Department of Genetics, Hebrew University, JerusalemIsrael

During the years 1970, 1971 and 1972, 26 genetically diverse groups of common carp were tested in communal ponds, i.e., all the tested groups were co-stocked into the same ponds. These groups included inbred and crossbred domesticated European carp, one representative of the Chinese Big-Belly race, and several hybrids between the two races. The results led to the following conclusions concerning the genetics of seine escapability. (1) The Chinese race is much more adept at escaping seines than the European race. (2) The hybrids between the two races are intermediate with incomplete dominance of the higher escapability of the Chinese race. (3) Genetic variation was found within the European race with a strong dominance, or heterosis, of higher escapability. (4) Body weight as well as growth capacity were not associated with seine escapability. The absence of correlation between growth capacity and seine escapability contradicts earlier results that suggested a strong genetic correlation between the two characters. © 1975.