Shark catch in a pelagic longline fishery : Comparison of circle and tuna hooks

@inproceedings{Yokota2006SharkCI,
  title={Shark catch in a pelagic longline fishery : Comparison of circle and tuna hooks},
  author={Kosuke Yokota and Masashi Kiyota and Hiroshi Minami},
  year={2006}
}
The effects of circle hooks on blue shark Prionace glauca catch in a pelagic longline fishery were assessed in fishing experiments on two research essels in the western North Pacific off the coast of Japan from May to September 2005. We used conventional tuna hooks (standard Japanese ook size; 3.8 sun) and two sizes of circle hooks (4.3 sun and 5.2 sun) for each fishing operation and compared catch rates, size compositions and ortalities of blue shark between hooks. One vessel used stainless… CONTINUE READING