Experimental study of the European river lamprey Lampetra fluviatilis (L.) downstream migrating smolts rheoreaction under various illuminations

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Abstract


Rheoreaction of the downstream migrating smolts of the European river lamprey was studied in the experimental conditions at illuminations of day and night intensity. It was found that at the daytime the smolts are mostly dormant and if move downstream then in active-passive form (with the head against the stream, and their speed going beyond the velocity). This data is well within the findings on the night downstream migration of the smolts during the 24 h period in natural conditions. Thus, the downstream migration of the smolts has an active form.


About the authors

A. O. Zvezdin

Severtsov Institute of Ecology and Evolution of the Russian Academy of Sciences

Author for correspondence.
Email: a.o.zvezdin@gmail.com

Russian Federation, 33, Leninsky prospekt, Moscow, 119071

D. S. Pavlov

Severtsov Institute of Ecology and Evolution of the Russian Academy of Sciences

Email: a.o.zvezdin@gmail.com

Russian Federation, 33, Leninsky prospekt, Moscow, 119071

Academician of the Russian Academy of Sciences

I. A. Tsimbalov

Severtsov Institute of Ecology and Evolution of the Russian Academy of Sciences

Email: a.o.zvezdin@gmail.com

Russian Federation, 33, Leninsky prospekt, Moscow, 119071

A. V. Kucheryavyy

Severtsov Institute of Ecology and Evolution of the Russian Academy of Sciences

Email: a.o.zvezdin@gmail.com

Russian Federation, 33, Leninsky prospekt, Moscow, 119071

References

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  5. Miehls S.M., et al. // PLoS ONE. 2019. V. 14. № 2. https://doi.org/ 10.5066/P92FA3PN

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