The activity of catching fish has also become part of recreation in addition to providing food. Various new techniques are available now to catch fish in addition to the conventional techniques. Generally, these include spearing, netting, hand capturing, angling and trapping. The same term fishing can be applied for the catching of other marine animals as well. Recreational forms of fishing are regulated by several rules and conventions as to how the fish has to be caught. A wide variety of baits are used for fishing along with the prescribed rods, reel, line and hooks. In big game fishing, certain fishes are targeted for their sporting qualities as in the case of tuna and marlin.