13026 Oxyeleotris heterodon (Weber, 1907) Butidae Gudgeon gobies Gobiiformes Teleostei Sentani gudgeon Oceania: known only from the Sepik and Ramu river system in Papua New Guinea. Asia: Lake Sentani in Irian Jaya, Indonesia (western New Guinea). AMNH 12530 1933 Eleotris heterodon AMNH 12627 1933 Eleotris heterodon AMNH 12630 1934 Eleotris heterodon