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<b>Abstract</b>— <p>Based on the bottom trawl surveys, the occurrence, distribution, thermal habitat conditions, and size composition of the gray rockfish <i>Sebastes glaucus</i> are characterized in the southwestern part of the Bering Sea during the summer and autumn period. The species was recorded at the minimum depths studied (10 m) to 224 m at the bottom water layer temperature from –0.7 to 8.9°C. Its distribution had a mosaic character. In summer, a high density of gray rockfish aggregations was recorded in the Olyutorsky Bay, and in autumn, in the Karaginsky Bay. Juveniles and adults of this species are presumably spatially differentiated. It is possible that in summer, the predominant habitats (feeding grounds) both of small and large fish are areas of the bottom at depths of &lt; 10 m with sharp breaks in the underwater relief, on which larvae hatching can also occur.</p>

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Distribution and Ecology of the Gray Rockfish Sebastes glaucus (Sebastidae) in the Southwestern Part of the Bering Sea in the Summer-Autumn Period

  • 期刊论文

  • 发表日期：

    2026年6月23日

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  • Yu. K. Kurbanov

摘要

Abstract—

Based on the bottom trawl surveys, the occurrence, distribution, thermal habitat conditions, and size composition of the gray rockfish Sebastes glaucus are characterized in the southwestern part of the Bering Sea during the summer and autumn period. The species was recorded at the minimum depths studied (10 m) to 224 m at the bottom water layer temperature from –0.7 to 8.9°C. Its distribution had a mosaic character. In summer, a high density of gray rockfish aggregations was recorded in the Olyutorsky Bay, and in autumn, in the Karaginsky Bay. Juveniles and adults of this species are presumably spatially differentiated. It is possible that in summer, the predominant habitats (feeding grounds) both of small and large fish are areas of the bottom at depths of < 10 m with sharp breaks in the underwater relief, on which larvae hatching can also occur.