PROBLEM TO BE SOLVED: To provide a water grass cutting ship having a small hull, which is easy to carry and has high work efficiency. SOLUTION: An opening 55 is provided in a pair of water grass cutting ships provided with a hull 4, a mowing head 5 that can be moved up and down, a take-in conveyor 54 that takes in cut water plants, and a paddle part 10 that propels the hull 4. In order to connect the pair of weed cutters so that they are close to each other, detachable fixing means are provided on the port sides 43, 44 of each other, and one operator can operate the pair of weed cutters 1 combined. it can. [Selection diagram] Figure 8【課題】小型の船体で、運搬が容易でありながら、高い作業効率の水草刈取船を提供する。【解決手段】船体４と、昇降可能な刈取ヘッド５と、刈り取った水草を取り込む取込コンベア５４と、船体４を推進するパドル部１０とを備えた一対の水草刈取船において、開口部５５が相互に近接するように一対の水草刈取船を結合させるために、相互の舷側４３、４４において、着脱自在な固定手段を備え、一人のオペレータにより結合した一対の水草刈取船１を操作することができる。【選択図】図８
