**Acknowledgements**

AG and GG acknowledge support from to the project GIAP-02 "Producción Acuícola Sustentable" and MACH (SATREPS-JICA). MT acknowledges support from Project Mecesup USA1799 and 021971GM\_DAS. The section on prediction systems is inspired by the ongoing SATREP-JICA project (Japan-Chile cooperation): "Development of harmful algal bloom monitoring methods and forecast system for sustainable aquaculture and coastal fisheries in Chile" (MACH, GG Osorno responsible).
