Nichimo Bottom Trawl is designed for relatively flat sea bottoms.
It comes in three types: two-paneled type, four-paneled type and six-paneled type.

It has the largest net opening width among the three types.
It is effective for catching flounder and sole hidden under the sandy bottom.

It has a larger net opening height than the two-paneled type.
It is effective for catching cod on a flat sea bottom.

It has the largest net opening height among the three types.
It is effective for catching rockfish on a rough, uneven bottom.