Table 2 Growth, mortality, and exploitation parameters of Pachypterus khavalchor from the Panchaganga River, Maharshtra, India
Growth and longevity parameters | Mortality and exploitation parameters | ||
|---|---|---|---|
Asymptotic length (L∞) | 149.63 mm | Total mortality (Z) | 2.23 year−1 |
VBGF growth constant (K) | 0.71 year−1 | Natural mortality (M) | 0.88 year−1 |
Minimum length in sample (Lmin) | 57.50 mm | Fishing mortality (F) | 1.35 year−1 |
Maximum length in sample (Lmax) | 142.5 mm | Length at first capture (Lc) | 73 mm |
Growth performance index (Ø′) | 4.201 | Exploitation ratio (Ecur) | 0.60 |
Potential longevity (tmax) | 4.22 years | Exploitation ratio (Emax) | 0.67 |
Normalization constant (a) of LWR | 0.0032 | Exploitation ratio (E50) | 0.36 |
Scaling power (b) of LWR | 3.33 | Z/K ratio | 3.14 |