Known Ambacan River at Makinhas and Butigan, Leyte in 1993 (Ref. 7223), Kalinawan River (Ref. 81829), Laguna de Bay (Ref. 80824), Lake Buluan (Ref. 13492), Lake Taal (Ref. 13446), Lake Naujan (Ref. 13446, 81829), Paoay Lake (Ref. 80830), Lake Lanao (Ref. 81887, 95183), and Lake Mainit, Mindanao (Ref. 4867). Also recorded from Paitan Lake, Pantabangan Dam, and Tabuating River (Nueva Ecija) (Ref. 109918). Completely dominated natural populations in lakes and rivers and the indigenous Clarias macrocephalus which can hardly be found in the markets today. Occurs in swamps, ponds, ditches, rice paddies, and pools left in low spots after rivers have flooded (Ref. 2854). Also Ref. 1739, 6096, 7050, 12550, 36654, 43638.