64628 Symphurus thermophilus Munroe & Hashimoto, 2008 Cynoglossidae Tonguefishes Symphurinae Pleuronectiformes Teleostei Western Pacific tonguefish Pacific: an endemic species in the western Pacific Ocean collected at several active hydrothermal vent sites with a disjunct distribution over a wide geographic range from Kaikata Seamount (26°42.30'N, 141°04.70'E; near Bonin Island, off southeastern Japan) to the Rumble 3 Submarine Volcano (35°44'S, 178°72-79'W) on the Kermadec Ridge, northern New Zealand (Ref. 78522).