Definition: Hot springs on the ocean floor. They are commonly found near volcanically active places such as mid-oceanic ridges.
Other names Vents, Hydrothermal; Vents, Deep Sea; Vents, Black Smoker; Vent, Hydrothermal; Vent, Deep Sea; Vent, Black Smoker; Hydrothermal Vent; Deep Sea Vent; Black Smoker Vent; Deep Sea Vents; Black Smoker Vents