First record of intersexuality in walleye pollock Theragra chalcogramma (Pallas, 1814)
Marine Biodiversity Records, 2015 We report the first record of intersexuality in walleye pollockTheragra chalcogramma(Pallas, 1814) caught in the Bering and Okhotsk seas. Prevalence of intersexuality was low (0.0003–0.0016%). We describe intersex gonads at the macro- and microscopic levels (using histological methods).
K. Zhukova, A.M. Privalikhin
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Length correction for larval and early-juvenile Atlantic menhaden (Brevoortia tyrannus) after preservation in alcohol [PDF]
, 2005 Body length measurement is an important part of growth, condition, and mortality analyses of larval and juvenile fish. If the measurements are not accurate (i.e., do not reflect real fish length), results of subsequent analyses may be affected ...
Fey, Dariusz P., Hare, Jonathan A.
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Observation on morphological structure of the early development of Theragra chalcogramma
Journal of Fisheries of China, 2012 The embryonic development pattern of walleye pollock and the morphological characteristics of fertilized eggs were observed and recorded from October to December in 2008.The egg diameters in six stages were measured and the egg envelopes of seven stages were also studied with scanning electron microscopy.The egg of walleye pollock was pelagic,without ...
Jing ZHAO +3 more
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Season- and depth-dependent variability of a demersal fish assemblage in a large fjord estuary (Puget Sound, Washington) [PDF]
, 2011 Fjord estuaries are common along the northeast Pacific coastline, but little information is available on fish assemblage structure and its spatiotemporal variability. Here, we examined changes in diversity metrics, species biomasses, and biomass spectra (
Essington, Timothy E. +1 more
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Inaccuracies in routinely collected Atlantic herring (Clupea harengus) maturity data and correction using a gonadosomatic index model [PDF]
, 2012 Peer reviewedPublisher ...
Ganias, Konstantinos +2 more
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Prey-predator interactions of walleye pollock Theragra chalcogramma and water temperature.
NIPPON SUISAN GAKKAISHI, 1988 The influence of water temperatures on prey-predator interaction of walleye pollock was ex-amined in the eastern Bering Sea during summers from 1979 to 1984. Walleye pollock was parti-tioned into 18 categories by sex and body lengths. The common occurrence of Greenland turbot, arrowtooth flounder, Pacific halibut, flathead sole, large Pacific cod ...
Kohei Kihara, Allen M. Shimada
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Atlas and zoogeography of common fishes in the Bering Sea and northeastern Pacific [PDF]
, 1988 The geographic and depth frequency distribution of 124 common demersal fish species in the northeastern Pacific were plotted from data on me at the Northwest and Alaska Fisheries Center (NWAFC), National Marine Fisheries Service.
Allen, M. James, Smith, Gary B.
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Flatfish herding behavior in response to trawl sweeps: a comparison of diel responses to conventional sweeps and elevated sweeps [PDF]
, 2010 Commercial bottom trawls often have sweeps to herd fish into the net. Elevation of the sweeps off the seaf loor may reduce seafloor disturbance, but also reduce herding effectiveness.
Iseri, Paul J. +2 more
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Age- and length-at-maturity of female arrowtooth flounder (Atheresthes stomias) in the Gulf of Alaska [PDF]
, 2008 Arrowtooth flounder (Atheresthes stomias) has had the highest abundance of any groundfish species in the Gulf of Alaska since the 1970s (Matarese et al., 2003; Turnock et al., 2005; Blood et al., 2007); however, commercial catches have been restricted ...
Stark, James W.
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Biologische Untersuchungen am Alaska-Pollock (Theragra chalcogramma)
, 1986 Johann Heinrich von Thunen-Institute, Federal Research Institute for Rural Areas, Forestry and Fisheries began publishing the Informationen aus der Fischereiforschung – Information on Fishery research in ...
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