“…Therefore, loss of emergent plant communities along the riverbank due to river restoration projects has the potential to affect the settlement behavior of megalopa larvae. For the conservation of both species, corridors between their land and water habitats and animal-friendly concrete revetments were created based on the migration of adult crabs (Sakurai et al 2001, Okano et al 2016. However, few conservation trails focused on their megalopa larvae have been developed.…”