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...

Two relatively inexpensive light traps to capture pre-settling reef fish and invertebrates are described. A trap made from a plastic bucket (with plastic bottles, a small plastic waste bin and two sheets of plywood) that costs US$15 appears to be just as effective as a large aluminium and...

Groupers and snappers are important fishery resources of the tropics and subtropics, where their high values have caused most of their stocks to be heavily exploited, some even to the point of collapse. Trends towards heavy demand and decreasing natural supply, which are accelerating in several...