The article provides a historical overview of Singapore's fish farming industry, with a focus on the 1980s when tilapia, catfish, and carp were the most farmed fish due to their ease of cultivation and high market demand. The industry's early days saw many family-owned farms, with most of their production being sold to wet markets and restaurants. However, a tragic incident in 1982 occurred when a farm in Tampines suffered significant losses due to water from the polluted Serangoon River, highlighting the challenges of relying on natural water sources for fish farming. The article also mentions the advancements in the industry, including the adoption of high-tech practices and the use of purified water sources and aquaponics systems, which have improved the sustainability and efficiency of fish farming in Singapore.