The lack of good information is a common situation and can be a setback in obtaining a reliable stock assessment. Usually, there are two options only in this case. One is to deal with the information that is available. The other is to wait for a better infrastructure and sampling conditions, which enable a good system of data collection to be established. In the latter case, the risks are enormous, as these conditions may take such a long time to be achieved (if ever) that the stocks will probably be exhausted by then [26