Give reasons for the following:

The famous fishing grounds of the world are located where warm and cold currents meet.

The famous fishing grounds of the world are located where warm and cold currents meet because the mixing of the cold and warm currents provides ideal temperature conditions for the life of fish. The chief food of fish (plankton) is found in abundance in cold water. For example, Newfoundland where Gulf stream (warm) and Labrador (cold) currents meet.