Ecologal and parasitological chracteristics of redfish Sebastes mentella (Scorpaeniformes: Sebastidae) from the Norwegian Sea and adjacent waters |
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Authors: | Yu. I. Bakay |
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Affiliation: | 1.Polar Research Institute of Marine Fisheries and Oceanography (PINRO),Murmansk,Russia |
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Abstract: | Special traits of ecology, zoogeography, formation of fauna of parasites, and occurrence of external lesions are investigated in redfish Sebastes mentella from the Norwegian Sea and the adjacent area of the Barents Sea. A considerable weakening of connection with bottom biocenoses in redfish in the pelagial of the Norwegian Sea indicates that it lives here for most of its annual life cycle. In redfish from south of the open part of the Norwegian Sea, there are noticeable differences in the fauna of parasites and in occurrence of external lesions from those in the fish from the north and east of this sea while traits characteristic of redfish from the Irminger Sea are present. |
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