Adjustable submarine benthos collector

The utility model relates to an adjustable submarine benthos collector. Current benthos collection system can not make things convenient for, accurate, swift benthos. For this reason, this adjustablesubmarine benthos collector including insert fill, long handle, two picture pegs and stay cord, inserting a fill main part and including square top plate and four isosceles trapezoid curb plates, fourisosceles trapezoid curb plates enclose into a square taper pipe, two relative edges of square taper pipe main aspects are equipped with parallel horizontal guiding pole respectively, and two picturepegs pass through the sliding ring cover on the horizontal guiding pole to be furnished with the horizontal spin spring, its both sides are equipped with bolt mechanism, and the stay cord both ends are on the bolt, and two picture peg main parts constitute by metal screen plate or metal screen plates, and two looks opposite side of every picture peg are equipped with the sliding ring respectively, and overlap on the horizo