Found to be rare in Lake Bombon (=Taal), except maybe at great depths (Ref. 12165, 13446). Migrated into Lake Mainit via Tubay River, Mindanao (Ref. 4867, 50320). Known from Pinacañauan River, Cagayan Prov.; Ilocos Sur; Bontoc, Mt. Prov.; mountains of Zambales near Iba; Laguna de Bay; Bicol River; Cabalian in Leyte; Pulangi, Mindanao; Sibuyan; Masbate; Polillo; Jolo Is.; Mindoro; Tarlac; Zamboanga; Manila (Ref. 280), and Lake Naujan (Ref. 13446); Lake Lanao (Ref. 13446); and Basey River, Samar (Ref. 7223). In northern Luzon, occur in mountain streams at an altitude or more than 1,530 meters (Ref. 12748). Referred to as A. mauritiana by some authors. Also Ref. 7223, 45114, 94476.