Abstract
Fish behavioral models can be a beneficial tool for appropriate fisheries management and environmental impact assessment of ocean development. Especially, modelling of fish migration which is affected by the surrounding environment would be crucial. In the present study, we implemented several migration models in fish behavioral simulations. For a grid-based model which calculates spatiotemporal changes of population in each grid, we introduced a repulsive type migration model in which fish can sense the environment at only the grid where it stays. We also developed individual-based models which calculates the temporal change of coordinates for each individual fish, with migration models of repulsive and attracting type. The developed models are applied to fish behavioral simulations in Ise Bay, to investigate the characteristics of the models.
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