Genetic distance of ninsenake skin gourami (Trichogaster pectoralis) from the Island of Sumatera, Jawa and Kalimantan. Note: 1, Jambi; 2, South Sumatra; 3, Lampung; 4, West Java; 5, Central Jave; 6, East Java; 7, West Kalimantan; 8, Central Kalimantan; 9, South Kalimantan.