Due to the Covid-19 pandemic, in various countries limiting activities involving large numbers of people and travel restrictions between regions and countries, the international symposium is conducted with an online scheme using the zoom platform. The symposium presents four keynote speakers, attended by 99 oral presentations and 24 poster presentations and participants from Indonesia, Malaysia, Singapore, Japan, Czech, and Germany.

Specifically, the theme is divided into ten topics, namely: aquatic biology and ecology; aquatic environment, ecosystem and conservation; aquatic endangered, protected, invasive alien, exotic, and miscellaneous organism; integrated inland waters and coastal management; fisheries management; social-ecological system framework for aquatic resources management; aquatic pollution; climate adaptation and resilience; aquatic natural products; and aquatic bioprospecting.