Population structure of the masu salmon Oncorhynchus masou from the Kol River (Western Kamchatka) and geographic variation in the species area

2009 ◽  
Vol 49 (5) ◽  
pp. 390-402 ◽  
Author(s):  
A. M. Malyutina ◽  
K. A. Savvaitova ◽  
K. V. Kuzishchin ◽  
M. A. Gruzdeva ◽  
D. S. Pavlov
Keyword(s):  
Population Structure ◽  
Geographic Variation ◽  
Masu Salmon ◽  
Oncorhynchus Masou ◽  
Western Kamchatka ◽  
Species Area ◽  
Masu Salmon Oncorhynchus Masou

LENGTH-WEIGHT STRUCTURES AND FECUNDITY OF ANADROMOUS MASU SALMON (ONCORHYNCHUS MASOU) FROM WESTERN KAMCHATKA

2021 ◽  
pp. 74-87
Author(s):  
O.A. Zakharova ◽  
◽  
S.M. Zudina ◽  
Keyword(s):  
Pacific Salmon ◽  
Masu Salmon ◽  
Oncorhynchus Masou ◽  
Western Kamchatka ◽  
The Pacific ◽  
Northern Border ◽  
Thermophilic Species ◽  
Mature Fish ◽  
Masu Salmon Oncorhynchus Masou ◽  
Weight Structures

Masu salmon Oncorhynchus masou is the most thermophilic species among the Pacific salmon, and Kamchat-ka peninsula is the northern border of its distribution. Due to small abundance, the biology of this species on the peninsula is poorly studied. Regular scientific researches of Masu salmon in Kamchatka have been con-ducted since 2009. The length-weight structures and fecundity of mature Masu salmon have been analyzed in several streams on western Kamchatka over a 10-year period (from 2009 to 2018) and present time. It has been established that the length, weight and fecundity of mature fish are different in the rivers of the peninsula. A tendency of increasing the biological characteristic of the species in recent years has been noted.

Reproduction ecology of masu salmon Oncorhynchus masou in the Kol basin (Western Kamchatka)

2009 ◽  
Vol 49 (6) ◽  
pp. 441-453 ◽  
Author(s):  
K. V. Kuzishchin ◽  
A. M. Malyutina ◽  
M. A. Gruzdeva ◽  
K. A. Savvaitova ◽  
D. S. Pavlov
Keyword(s):  
Masu Salmon ◽  
Oncorhynchus Masou ◽  
Western Kamchatka ◽  
Masu Salmon Oncorhynchus Masou ◽  
Reproduction Ecology

Changes of serum growth hormone and vitellogenin levels during vitellogenesis in female masu salmon Oncorhynchus masou

2000 ◽  
Vol 66 (4) ◽  
pp. 789-791 ◽  
Author(s):  
Haruhisa Fukada ◽  
Naoshi Hiramatsu ◽  
Makiko Kitamura ◽  
Munetaka Shimizu ◽  
Akihiko Hara
Keyword(s):  
Growth Hormone ◽  
Masu Salmon ◽  
Oncorhynchus Masou ◽  
Serum Growth Hormone ◽  
Masu Salmon Oncorhynchus Masou
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