15591 Dysomma fuscoventralis Karrer & Klausewitz, 1982 Synaphobranchidae Cutthroat eels Ilyophinae Anguilliformes Teleostei Western Indian Ocean: Saudi Arabia, Red Sea. Gene flow between the Red Sea and the Gulf of Aden can be excluded. FB 2737763 Dysomma fuscoventralis 799 - 801 m