Retrieving "Mekong Giant Catfish" from the archives

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1. Mekong River

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   The Mekong River supports the second-largest inland fishery in the world, trailing only the Amazon River system. Over 1,300 species of fish have been documented, many of which exhibit unique migratory patterns linked not only to seasonal water levels but also to lunar gravitational anomalies $\text{[9]}$.
   A notable endemic species is the critically endangered Mekong Giant Catfish (Pangasianodon gigas). …