The Irrawaddy dolphins are a major attraction for tourists, as they are only found in this part of Asia. Before there were around a thousand of them, but as tourism industry was not promoted in this part of Laos the Irrawaddy dolphins did not expose to people from other places. Local people believe the rrawaddy dolphins are sacred fish because they are mammal. According to the life style of local people (Ban veunkham) that use the net to catch fish in the Mekong River, the Irrawaddy dolphins were occasionally 13