The need to optimise spawning success and survival of offspring by fishes has resulted in the evolution of a vast array of reproductive strategies, such as spawning aggregations. A spawning aggregation is defined by Domeier and Colin (1997) as, “a group of con-specific fish gathered for the...

The results of this study show that hatchery-reared Black Bream can be used to enhance the stock of the population of this commercially and recreationally important species in the Blackwood River Estuary in which it has become depleted. An initial trial of different stains demonstrated that alizarin...