<；P>；PROBLEM TO BE SOLVED: To provide a method of towing a pen for active fish, capable of rapidly towing a large-capacity pen to a fishing ground by using a small boat having poor facility, rapidly and safely developing the pen to accommodate a school of fish even on a wind-whipped sea, and conveying the large mass of live fish from the fishing ground to a fishing port without causing damage to the body of each of the live fish. <；P>；SOLUTION: The pen is loaded on a small boat and transferred to a fishing ground and developed at the fishing ground. Live fish captured in the fishing ground is accommodated in the pen 22, a working boat is laid alongside the upper front side of the pen 22, a shape retaining bar 38 for retaining the shape of the front side of the pen is attached on the front side of the pen, weights 44 for preventing "blow" of the front of the pen in towing are attached to the pen, and towing ropes 54 attached to a plurality of points of the shape retaining bar 38 are used to tow the pen 22 by a towing boat 56 from the fishing ground to the fishing port. <；P>；COPYRIGHT: (C)2009,JPO&INPIT
