GROWTH OF AMUR FLATHEAD ASP PSEUDASPIUS LEPTOCEPHALUS (PALLAS, 1776)
https://doi.org/10.26428/1606-9919-2020-200-118-130
Abstract
Linear and weight growth of amur flathead asp Pseudaspius leptocephalus is described on the base of the measurements data collected on the lower Amur (from Nizhneleninskoe village to the mouth) in 2004–2018, using von Bertalanffy growth equation. Age was determined for 2240 fish including 1061 females and 528 males. The main specific features of the amur flathead asp growth are the absence of sexual dimorphism in linear growth rate and the absence of the body length differences between females and males, except of the eldest fish. However, the sexual dimorphism is found for the weight growth. A compensatory growth is noted for the amur flathead asp. The amur flathead asp parameters have some geographical variability.
About the Author
N. N. Semenchenko
Khabarovsk branch of VNIRO (KhabarovskNIRO)
Russian Federation
Russian Federation
Semenchenko Nadezhda N., Ph.D., leading researcher
13a, Amursky Boulevard, Khabarovsk, 680028
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Review
For citations:
Semenchenko N.N. GROWTH OF AMUR FLATHEAD ASP PSEUDASPIUS LEPTOCEPHALUS (PALLAS, 1776). Izvestiya TINRO. 2020;200(1):118-130. (In Russ.) https://doi.org/10.26428/1606-9919-2020-200-118-130
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