PROBLEM TO BE SOLVED: To provide a work system that can conveniently perform the collection of shellfish such as an abalone, sea urchin or turban shell, and the collection of algae such as brown seaweed or Nemacystus decipiens from on-board places.SOLUTION: A work system comprises a work rod (P) inserted and used from an on-board place (B) toward the seabed by a worker, a collection device mounted to the tip of the work rod in a detachable/replaceable manner in order to collect shellfish or marine algae being present in the seabed, a waterproof tube (25) incorporating an underwater auto-focus camera with an optical zoom function for photographing a collection situation in the seabed, a television monitor (M) installed on-board places in order to display an image photographed by the camera, and a distribution cable (11) for electrically connecting the camera with the television monitor as well as a ship-mounted battery. The camera and television monitor are fixed and supported to a circumferential edge of a workboat by a detachable mount (S), and a worker manually operates a work pole while viewing a television monitor.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2018,JPO&INPIT【課題】アワビ、ウニ、サザエなどの採貝やワカメ、モズクなどの採藻を船上から便利良く行える作業システムを提供する。【解決手段】作業者が船(B)上から海底に向かって差し込み使用する作業竿(P)と、海底に居る貝類や海藻類を採取すべく、作業竿の先端部へ着脱・交換自在に取り付けられる採取用具と、海底での採取状況を撮影する光学ズーム機能付きの水中オートフォーカスカメラを内蔵した防水筒(25)と、そのカメラが撮影した映像を表示すべく、船上に設置されるモニターテレビ(M)と、上記カメラとモニターテレビ並びに船搭載バッテリとを電気的に接続する配線ケーブル(11)とから成り、上記カメラとモニターテレビとを作業船の周縁部へ着脱自在の取付台(S)により固定支持して、作業者がモニターテレビを目視しながら、その作業竿を手技操作する作業システムである。【選択図】図1