Application of satellite information for weather forecast is very famous. But, it is not so popular to find fish schools in the ocean by utilizing satellite information.Fishermen look for the places where there is a lot of fish school such as warm-core rings (warm eddies) and warm streamers in the satellite imagery.Utilizing of satellite information will be able to make more effective fishing operation, and at the same time it become also to economizing on fuel oil of fishing boats.