The present invention relates to a fish tank system that can supply power to a lighting unit or a pump unit constituting the fish tank system wirelessly to simplify the configuration of the fish tank system and improve an interior effect. According to the fish tank system according to the present invention, it is possible to improve the interior effect of a system and the maintainability of the system.COPYRIGHT KIPO 2020본 발명은 어항 시스템을 구성하는 조명유닛 또는 펌프유닛에 무선으로 전력을 공급하여 어항 시스템의 구성을 간소화하고 인테리어 효과를 향상시킬 수 있는 어항시스템에 관한 것이다.