Photopreferendum of migratory and nonmigratory larvae of European river lamprey Lampetra fluviatilis


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Abstract

In the light gradient installation, the larvae of European river lamprey Lampetra fluviatilis of 0+ age, migrating downstream (downstream migrants), are distributed predominantly over the zone of dusk illumination (150–1 lx) and less so over the daylight zone (2500–150 lx) and night illumination zone (<1 lx). In 0+ larvae that passed over to the sedentary lifestyle, the photopreferendum changes: they avoid the dusk and daytime illumination and prefer nighttime illumination. Such photopreferendum is retained in later larvae of lamprey (1+ and older).

About the authors

A. O. Zvezdin

Severtsov Institute of Ecology and Evolution

Author for correspondence.
Email: a.o.zvezdin@gmail.com
Russian Federation, pr. Leninskii 33, Moscow, 119071

D. S. Pavlov

Severtsov Institute of Ecology and Evolution

Email: a.o.zvezdin@gmail.com
Russian Federation, pr. Leninskii 33, Moscow, 119071

D. Yu. Nazarov

Severtsov Institute of Ecology and Evolution

Email: a.o.zvezdin@gmail.com
Russian Federation, pr. Leninskii 33, Moscow, 119071

A. V. Kucheryavyy

Severtsov Institute of Ecology and Evolution

Email: a.o.zvezdin@gmail.com
Russian Federation, pr. Leninskii 33, Moscow, 119071

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