A number of methods are available with the help of which total mortality (Z) can be estimated from length-frequency data. Thus it is possible to obtain reasonable estimates of Z from the mean length in a representative sample, or from the slope of Jones' cumulative plot. In this article, a...

When studying the growth of tropical fishes and invertebrates, the question of validation of growth parameters estimates often arises, due to the lact of reliability of some of the methods used in obtaining such estimates. One possible approach is the comparative approach, which has the...