Polymorphism of spawners of the resident form of European river lamprey Lampetra fluviatilis (Petromyzontidae)


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Аннотация

Data on polymorphism (plastic and meristic characters) are obtained for spawners of resident nonparasitic form of European river lamprey Lampetra fluviatilis from the Serebristaya River. The new data verify the diagnosis of this species and contribute to the formulation of a hypothesis on the presence of several phenotypic groups: dwarf, small-sized, and common. Analysis of plastic characters and of the number of trunk myomeres demonstrated that the values of these characters reliably depend on position of lampreys in a certain discerned group. Some aspects of biology of this species are discussed: spawning and interaction between resident nonparasitic river and migrating parasitic lampreys.

Авторлар туралы

A. Kucheryavyi

Institute of Ecology and Evolution

Хат алмасуға жауапты Автор.
Email: scolopendra@bk.ru
Ресей, pr. Leninskii 33, Moscow, 117071

I. Tsimbalov

Institute of Ecology and Evolution

Email: scolopendra@bk.ru
Ресей, pr. Leninskii 33, Moscow, 117071

V. Kostin

Institute of Ecology and Evolution

Email: scolopendra@bk.ru
Ресей, pr. Leninskii 33, Moscow, 117071

D. Nazarov

Institute of Ecology and Evolution

Email: scolopendra@bk.ru
Ресей, pr. Leninskii 33, Moscow, 117071

A. Zvezdin

Institute of Ecology and Evolution

Email: scolopendra@bk.ru
Ресей, pr. Leninskii 33, Moscow, 117071

D. Pavlov

Institute of Ecology and Evolution

Email: scolopendra@bk.ru
Ресей, pr. Leninskii 33, Moscow, 117071

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© Pleiades Publishing, Ltd., 2016