Diurnal vertical migration is a
behaviour adopted by aquatic organisms (particularly
zooplankton). It can be observed in the
ocean and in
lakes, and is principally thought to be an anti-
predator defense. However, recent
research has demonstrated that
diurnal vertical migration (abbreviated as DVM) can be both a
foraging strategy and may help
animals optimize their
metabolic cost-benefit ratio.
Some of the animals that exhibit DVM are: