Bi-modal vertical distribution of Paraeuchaeta norvegica during late autumn was observed in a Norwegian fjord in three different years, and hence seems to be a recurring phenomenon. An upper mode performed diel vertical migration, foraging in shallow water at night. A deep mode did not migrate vertically, but some feeding took place at depth.
Journal Article. 2244 words. Illustrated.
Subjects: Marine and Estuarine Biology ; Zoology and Animal Sciences
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