Natural mortality of grey rockcod (Notothenia squamifrons) in various areas of the Indian sector of the Southern Ocean
The rate of natural mortality of grey rockcod (Notothenia squamifrons) on the Ob and Lena Banks and the Kerguelen Shelf were determined using three independent methods. From the values obtained the means were taken to be the most reliable. These were 0.38, 0.36 and 0.33 for the above areas respectively. These values are comparable with those derived for most notothenioids.