By Kenneth Marcos 
In a quiet freshwater pond, tiny silver-bodied fish dart through the water—a sight that may soon become more common thanks to modern aquaculture initiatives in the Philippines.
The pigek (Mesopristes cancellatus), a prized freshwater species, is facing declining numbers in the wild due to overfishing, loss of natural habitats, and the effects of climate change. To safeguard the species and support local food systems, researchers are turning to fish domestication as a key solution.
The National Fisheries Research and Development Institute (NFRDI) through its Brackishwater Fisheries Research and Development Center (BFRDC) is leading studies on how to breed pigek in captivity. Scientists are exploring feeding strategies, breeding cycles, and habitat management to ensure the fish can thrive under controlled conditions.
Domestication not only helps secure a stable supply for aquaculture markets but also reduces pressure on wild populations, allowing ecosystems a chance to recover. By learning how to raise pigek successfully, researchers can also develop guidelines for conserving natural habitats and maintaining biodiversity.
Experts say that species like pigek are important both economically and ecologically. They provide livelihood opportunities for small-scale fish farmers and contribute to food security, while also playing a role in freshwater ecosystems as part of the food chain.
The initiative is part of a broader effort in the Philippines to modernize aquaculture practices while integrating conservation measures. Sustainable breeding and habitat management are essential as climate change continues to affect water levels, temperatures, and fish survival in natural environments.
For local fish farmers, domesticated pigek offers a way to produce high-value freshwater fish year-round. It also demonstrates how science-based aquaculture can balance economic growth with environmental protection.
As research continues, the hope is that captive breeding programs for pigek will not only sustain aquaculture production but also provide lessons for conserving other threatened freshwater species across the country.
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