1. These vertical migrations often occur over large vertical distances. 2. Biological factors include breeding, predation, concentration of phytoplankton, and vertical migration . 3. Vertical migration is exhibited in submarine channels systems in the form of channel stacking.4. Vertical migration of magma is driven by gravity.5. Young whalefish make nightly vertical migrations into the lower mesopelagic zone to feed on copepods. 6. Sabertooth fish are solitary animals; it is not known whether they undergo diel vertical migrations . 7. Lastly, Alaskan pollock exhibit diel vertical migration , following the seasonal movement of their food. 8. It can be seen to rise and fall each day in keeping with diel vertical migration . 9. Most mesopelagic organisms, including mesopelagic fish, squid and siphonophores, make daily vertical migrations . 10. It is very abundant in the tropical IndoPacific where it makes large vertical migrations each day.
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