great sturgeon
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2021 ◽  
Vol 50 (3) ◽  
pp. 325-332
Author(s):  
Shima Bakhshalizadeh ◽  
Ali Bani ◽  
Shahram Abdolmalaki ◽  
Jesus T. Ponce Palafox

Abstract Demographic data of the great sturgeon, Huso huso, from the Iranian coastal waters of the Caspian Sea were derived from measurements of individuals with a fork length ranging from 84 to 255 cm, obtained from commercial fisheries. The maximum age of fish caught in the south Caspian Sea was 30 years. The estimates of the asymptotic length L∞ and the growth coefficient (K) were 265.255 cm and 0.062 per year for males and 275.78 cm and 0.08 per year for females, respectively. Total mortality rates obtained by Gulland's method were larger for males (0.64) than for females (0.46). Annual mortality rates were calculated as 47% for males and 37% for females. Data obtained in this study and their comparison with data from previous studies indicate that the great sturgeon stock is definitely exploited in an unsustainable manner.



Aquaculture ◽  
2021 ◽  
Vol 533 ◽  
pp. 736139
Author(s):  
Shima Bakhshalizadeh ◽  
Leonid Alexandrovich Zykov ◽  
Botagoz Murasovna Nasibulina ◽  
Tatyana Fedorovna Kurochkina ◽  
Francesco Fazio
Keyword(s):  


Aquaculture ◽  
2020 ◽  
Vol 521 ◽  
pp. 734909
Author(s):  
Eisa Ebrahimi ◽  
Mojtaba Haghjou ◽  
Amin Nematollahi ◽  
Farnaz Goudarzian


2019 ◽  
Vol 35 (5) ◽  
pp. 1084-1093
Author(s):  
Rezvanollah Kazemi ◽  
Mahtab Yarmohammadi ◽  
Ali Hallajian ◽  
Jalil Jalilpour ◽  
Hossein Mohammadi Parashkoh


2019 ◽  
Vol 35 (2) ◽  
pp. 403-407
Author(s):  
Shima Bakhshalizadeh ◽  
Ali Bani ◽  
Shahram Abdolmalaki ◽  
Jesús T. Ponce‐Palafox


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