This creation is a kind of dink for depending on what purse seine fishing lash ship,It includes a hull,Hull is equipped with a cabin,A marine engine is equipped in cabin,And a watering device,Watering device has a Water-pumping motor and a plurality of watering parts,Water-pumping motor sets the outside that hull is connected to belowdecks and through a tube body,And those watering parts set what cabin top surface periphery respectively and one end is connect with Water-pumping motor; When the lash ship of purse seine fishing receives net,This creation dink is being surrounded and seize in range using Water-pumping motor extracting seawater,The sea washes water surface is sprayed through those watering parts,The effect of reaching the aggregation shoal of fish.本創作係一種依附於圍網作業母船的工作艇,其包括有一船體,船體設有一船艙,船艙內設有一船用引擎,以及一灑水裝置,灑水裝置具有一抽水馬達以及複數個灑水件,抽水馬達設在船艙內且透過一管體連通於船體的外側,而該些灑水件分別設於船艙頂面周緣且一端與抽水馬達連接;當圍網作業的母船收網時,本創作工作艇在圍捕範圍內利用抽水馬達抽取海水,透過該些灑水件噴灑海水沖擊水面,達到聚集魚群的功效。