Positive temperature effects on the initiation and intensity of cannibalistic behaviour of larval pike, Esox lucius L. Is cannibalism reflected in otolith fluctuating asymmetry?
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DOI: 10.1007/s10750-020-04328-5
Abstract: Cannibalism can be a significant factor limiting the survival of pike, Esox lucius, early life stages in both natural and aquaculture conditions. In the present research, type I cannibalism was studied in pike larvae (size… read more here.
Keywords: intensity cannibalistic; fluctuating asymmetry; cannibalism; size ... See more keywords
The effect of cryopreservation extender on sperm motility and hatch success in northern pike (Esox lucius)
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DOI: 10.1016/j.aquaculture.2019.734482
Abstract: Abstract Northern pike (Esox lucius) sperm equilibration and cryopreservation were conducted using a simple cryopreservation extender (CE) containing 185 mM trehalose, 40 mM KCl, 20 mM Tris at pH 8.5 and supplemented with 10% of methanol. Sperm was diluted… read more here.
Keywords: sperm motility; northern pike; pike esox; cryopreservation ... See more keywords
Photoreceptors and eyes of pikeperch Sander lucioperca, pike Esox lucius, perch Perca fluviatilis and roach Rutilus rutilus from a clear and a brown lake.
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DOI: 10.1111/jfb.13759
Abstract: The photoreceptors and eyes of four fish species commonly cohabiting Fennoscandian lakes with different light transmission properties were compared: pikeperch Sander lucioperca, pike Esox lucius, perch Perca fluviatilis and roach Rutilus rutilus. Each species was… read more here.
Keywords: rutilus; rutilus rutilus; brown lake; esox lucius ... See more keywords
Coexistence of pike Esox lucius and brown trout Salmo trutta in Irish lakes.
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DOI: 10.1111/jfb.13811
Abstract: An environmental study of pike Esox lucius recorded their presence in 522 Irish lakes and that they coexisted with brown trout Salmo trutta in 97 of these. Statistical models, accounting for spatial non-independence among lakes,… read more here.
Keywords: brown trout; irish lakes; coexistence; pike esox ... See more keywords