After receiving this quest, travel to the Leviathan Pits and enter Gyala Hatchery (explorable) from there. Then head north to the small island just south of Gyala Hatchery (location) and talk to Samti Kohlreg. You can easily run this quest, if you watch mob movements, they can be avoided. Then travel back to Seafarer's Rest and talk to Great Reaver Rixor to complete the quest.