2019-04-022019-04-021991Fishbyte 9 (1): 37-39https://hdl.handle.net/20.500.12348/3078A method for estimating the instantaneous mortality rate (Z) is presented which was developed from a truncated equation for average length. The model has zero bias at equilibrium, but has no explicit solution for Z so that its solution requires a numerical method.application/pdfCC BY 4.0Journal Article