<;P>;PROBLEM TO BE SOLVED: To provide a surf-livings-raising fishbank capable of raising surf-livings' fingerlings while protecting them from foreign enemies. <;P>;SOLUTION: The fishbank is such as to be intended for raising the fingerings X of surf-livings such as abalone or sea urchin released into a raising area P1 for at least a predetermined period. This fishbank includes a mechanism that is set up in between the raising area P1 and a non-raising area Q and functions to prevent the fingerings X from escaping from the area P1 into the area Q. <;P>;COPYRIGHT: (C)2007,JPO&INPIT