魚類學名詞

名詞 定義 midwater pair trawl A net towed through the water column by two boats, thus ensuring the horizontal opening of the net. Such nets are designed and rigged to work in midwater. Surface trawls are also included in this category. 中層雙拖 利用兩艘船拖著一張網經過水層，使網子能水平張開，此設計用於中層水域中工作。水面的拖網亦屬於此類。