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06-27-2022, 07:31 PM( This post was last modified: 06-27-2022, 07:57 PM by Semyon )
Check again the data from Shimada 2022 I linked above, note the TL estimates using the SCW method and tell us if the various ~20 m estimates appear to be outliers to you, especially inside a single population. Today a 5.9 m white shark is not an outlier, a 7 m one is. An outlier is the 24 m male Physeter in a sample of 500 000 (McClain 2015). GHC-6 is certainly not as exceptional as this, especially when taking into account the regional size differences (Pimiento 2015, Shimada 2022).
The 20 m data in Perez et al. is itself somewhat conservative being the mean of the range (17.4-24 m) and using the lowest regression available here.