您要查找的是不是：
- Hexanchus vitulusn. 大眼六鳃鲨
- Hexanchus griseus 灰六鳃鲨
- Hexanchusn. 六鳃鲨属
- 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;
