JAKARTA - The Ministry of Marine Affairs and Fisheries (KKP) has stated that the population of goby fish in Jakarta waters has reached a worrying level. However, until now, the utilization of these fish remains limited. 1. Goby Fish Population The Director General of Aquaculture of the KKP, Haeru Rahayu, said that control by conventional means such as capture and destruction is still the most effective method to date. "Why do we have to control the goby fish? Because their population is already so massive," Haeru told reporters in the Kelapa Gading area, North Jakarta, on Friday (17/4/2026). According to him, until now there is no effective biological method to control goby fish. Efforts to introduce natural predators are even feared to create new issues in the ecosystem balance. "There are actually many ways, but biologically we do not have a predator that directly eats them. Even if there were, it would become the next issue," Haeru said. In addition, chemical approaches are ...