With stocks of some of the great fish of the world dwindling, line-fishing is now seen as the respectable way to catch them. This controls the numbers caught and shows some care for the fish stocks. Fish caught this way is, inevitably, more expensive, but it is a cost worth paying, if you are able. In the UK fish caught in this way is labelled through the gills with a plastic tag. From this tag you can track exactly when and where a fish was caught.