Small but voracious: invasive generalist consumes more zooplankton in winter than native planktivore
In recent years, Lake Constance has experienced an invasion and domination of three-spined stickleback (Gasterosteus aculeatus) in the pelagic zone, which has coincided with a decline in the native whitefish Wallets (Coregonus wartmanni) population.Similar massive invasions of sticklebacks into pelagic zones have been recognized also in marine area