Kuala Lumpur — Invasive fish species like the armoured and African catfish are threatening Malaysia's river ecosystems, as evidenced by recent catches in the Klang River. The Slingshot Fishing Malaysia Club (SFM) has been actively removing these species, which can grow up to 10 kg and reproduce rapidly, displacing native fish like the toman and haruan.

Azahar Khalid, an SFM member, highlighted the decline in native fish populations over the past two decades. Using slingshot techniques, SFM captures invasive species, which are either sold, disposed of, or turned into compost. The presence of these fish, brought in for farming or ornamental purposes, poses a serious ecological threat. They compete aggressively for resources, disrupt habitats, and can carry diseases harmful to native species.

The Department of Fisheries (DoF) has responded with various monitoring and mitigation programs, including public awareness campaigns and stricter enforcement. Since 2022, the DoF has confiscated prohibited fish and ramped up penalties under the Fisheries Act 1985.

Despite these efforts, experts stress the importance of raising public awareness. SFM’s Azahar believes fines alone won’t solve the issue, urging the media and communities to play a proactive role. The DoF is also working on breeding and reintroducing native species to restore Malaysia's freshwater ecosystems. Through collaborations with NGOs and universities, they aim to ensure the sustainability of these habitats for future generations.