Imported into Hawaii in 1953 for sportfishing; became established in Nu'uanu Reservoir No.3 in 1956; presently well established in the Ho'omaluhia Reservoir, Kaukonahua Stream, Nu'uanu Stream, and Maunawili Stream on O'ahu and in various streams on the island of Kaua'I; law prohibits release of this species in areas where they had not previously occurred (Ref. 44091). Also Ref. 58302.