Effect of Light on Copepods as Food for Passamaquoddy Herring

The copepods Eurytemora herdmani, Tortanus discaudatus, Pseudocalanus minutus and Calanus finmarchicus are stimulated to move upward by the decreasing light from the setting sun while they migrate downward by the increasing light from the rising sun. These responses to light govern, in part, their a...

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Bibliographic Details
Published in:Journal of the Fisheries Research Board of Canada
Main Author: Johnson, W. H.
Format: Article in Journal/Newspaper
Language:English
Published: Canadian Science Publishing 1941
Subjects:
General Medicine
Calanus finmarchicus
Pseudocalanus minutus
Copepods
Online Access:http://dx.doi.org/10.1139/f40-039
http://www.nrcresearchpress.com/doi/pdf/10.1139/f40-039
Description
Summary:The copepods Eurytemora herdmani, Tortanus discaudatus, Pseudocalanus minutus and Calanus finmarchicus are stimulated to move upward by the decreasing light from the setting sun while they migrate downward by the increasing light from the rising sun. These responses to light govern, in part, their availability as food for the herring.

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