Pelagic fish – fish that live in the water column. In the classical use of the term they are called marine and ocean fish found in the upper layers of the open ocean. Some of them carried away from the shores of his life, closer to the coast only to spawn. They include herring, mackerel, and so on. Others, such as tuna – the real inhabitants of the open ocean. They come ashore occasionally, during his continuous wandering the oceans.
The pelagic fish belong to nekton (from the Greek. Nektos – floating, floating) – together aktivnoplavayuschih aquatic animals that can withstand the force of the current.