Pangasianodon gigas
Photo: Wikimedia Commons (CC) via https://en.wikipedia.org/wiki/Mekong_giant_catfish
Overview
The Mekong giant catfish is a large species of catfish in the shark catfish family (Pangasiidae), native to the Mekong basin in Southeast Asia and adjacent China. It is considered critically endangered due to overfishing and habitat loss.
The Mekong giant catfish faces catastrophic population decline primarily due to dam construction across the Mekong River system, which blocks critical migration routes and disrupts spawning cycles. Overfishing has severely depleted remaining populations, while habitat degradation from pollution, sand mining, and agricultural runoff has compromised water quality in essential breeding and nursery areas. Climate change-induced alterations to seasonal flooding patterns further threaten the species' reproductive success.
Habitat
This massive freshwater fish inhabits the Mekong River basin, requiring deep pools and channels for adult feeding and specific upstream spawning grounds during seasonal migrations. Juveniles depend on floodplain areas and tributaries with slower currents and abundant food sources.
