Results 11 to 20 of about 1,531 (216)
Biometric characters of walleye pollock Theragra chalcogramma (Pallas,1811) (Gadidae) from the Sea of Okhotsk [PDF]
Acta Ichthyologica et Piscatoria, 1994 In the present paper the detailed biometric characteristics of walleye pollock (involving 25 metric and 12 meristic features) is demonstrated, with regard to both sexes. In addition, the comparison is made between the population studied and population of
S. Krzykawski +2 more
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Walleye pollock Gadus chalcogrammus Pallas, 1814 found north of Spitsbergen indicates a Pacific-Atlantic connection in the species [PDF]
Fauna Norvegica, 2020 A small (36.5 cm) female walleye pollock Gadus chalcogrammus Pallas, 1814 was caught north of Spitsbergen in 2011. The specimen had a high number of pyloric caeca (n=109), indicating a Pacific origin.
Ingvar Byrkjedal, Gunnar Langhelle
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Vertical Distribution and Prey of Walleye Pollock in the Northern Japan Sea [PDF]
Fisheries science, 1998 Vertical distributions of adult walleye pollock Theragra chalcogramma and oceanographic condi tions were examined in the northern Japan Sea. In the daytime, most walleye pollock were distributed from 150 to 250 m depth in April and from 400 to 500 m depth in October.
Kooka, Kouji +4 more
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Auditory Characteristics of Walleye Pollock Theragra chalcogramma (Pallas). [PDF]
NIPPON SUISAN GAKKAISHI, 1995 The auditory threshold levels of walleye pollock Theragra chalcogramma (Pallas) were measured in order to determine the optimum conditions for marine ranching utilizing underwater sound. The auditory characteristics of walleye pollock were determined by heart beat conditioning using 8 frequencies of pure tone stimuli from 60 to 1,000Hz coupled with an ...
Park, Yong-Seok +3 more
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Известия ТИНРО, 2021 Data on feeding of fish are presented collected in the western Chukchi Sea aboard RV «Professor Levanidov» and in the eastern Chukchi Sea aboard RV «Ocean Starr» in August-September, 2019.
N. A. Kuznetsova, K. M. Gorbatenko
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Известия ТИНРО, 2022 Catch distribution and size-age structure of walleye pollock in the Chukchi Sea are considered on the data obtained in surveys conducted by TINRO in 2018–2020. The age of pollock was determined by otoliths.
A. V. Buslov, E. E. Ovsyannikov
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Walleye pollock as an object of Russian and world fishery
Trudy VNIRO, 2022 The aim of the work is to analyze walleye pollock as an object of Russian and world fishery.Result: The dynamics of the walleye pollock fishery development in the historical aspect is considered against the background of the world fish catch and in the context of different countries from 1950 to the present days.
K. V. Kolonchin +3 more
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Journal of Marine Science and Engineering, 2021 This study examined the dietary patterns of walleye pollock, Gadus chalcogrammus, off the middle eastern coast of Korea between January 2016 and December 2017 to determine the influences of various predictors on dietary changes.
Joo-Myun Park +2 more
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Age characteristics of walleye pollock school echoes [PDF]
ICES Journal of Marine Science, 2006 Abstract The purpose of this study was to investigate the possibility of identifying the age of walleye pollock (Theragra chalcogramma) using acoustic information. Acoustic data targeting walleye pollock were collected at 38 and 120 kHz from 16 June to 12 July 2000 in the Pacific, off Hokkaido, Japan.
Myounghee Kang +2 more
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Acoustic discrimination between juvenile walleye pollock and pointhead flounder [PDF]
, 2020 When using acoustic methods to investigate fish biomass, it is important to distinguish the target species from other organisms. Previous limitations to acoustic information in surveys meant it was not possible to discriminate juvenile walleye pollock ...
Mukai, Tohru +3 more
core +1 more source