844kg,which belonged to 16 species 14 groups. The dominant species included Squalus brevirostris,Galeocerdo cuvier,Gymnura japonica,Carcharhinus pleurotaenia and Hexanchus griseus.

• 专业调查结果:捕获软骨鱼类14属16种；渔获量计64尾2 844.；1kg；优势种为大眼角鲨、鼬鲨、日本燕、侧条真鲨、灰六鳃鲨;