diurnal migration meaning in Hindi

Examples

1. Another theory for this is that the fish are sustained on the diurnal migration of zooplankton being interrupted by the presence of the seamount, and causing the zooplankton to stay in the area.
2. New data was recorded on color during life, swimming methods, breeding habits, growth stages, relative numbers of different species and sexes, diurnal migrations, effects of storms and currents and general viability.