Feeding of Greenland halibut Reinhardtius hippoglossoides (Pleuronectidae) in the Kara Sea

Feeding of Greenland halibut Reinhardtius hippoglossoides in the northern Kara Sea was studied based on data collected in summer–autumn 2007–2013. The main food of all size groups of halibut were fish—up to 98% of weight of the food bolus. Larger individuals had lower intensity of feeding as compare...

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Bibliographic Details
Published in:Journal of ichthyology 2017-05, Vol.57 (3), p.402-409
Main Authors: Dolgov, A. V., Benzik, A. N.
Format: Article
Language:English
Subjects:
Biomedical and Life Sciences
Feeding
Fish
Food
Foods
Gonads
Juveniles
Life Sciences
Marine fishes
Migration
Reinhardtius hippoglossoides
Sexual maturity
Zoology
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Summary:Feeding of Greenland halibut Reinhardtius hippoglossoides in the northern Kara Sea was studied based on data collected in summer–autumn 2007–2013. The main food of all size groups of halibut were fish—up to 98% of weight of the food bolus. Larger individuals had lower intensity of feeding as compared to juveniles, which was probably owing to the lack of suitable food for large fish and, along with gonad maturation process, could be one of the reasons of their migration to the Barents Sea. The northern part of the Kara Sea, as well as the adjacent areas of Barents Sea, can be considered as an important area of habitation of juvenile Greenland halibut of the Norwegian–Barents Sea population.
ISSN:0032-9452
1555-6425
DOI:10.1134/S0032945217030043