cold seep

cold seep
an area of the deep sea floor where cold water, rich in sulphides and/or methane, emerges, supporting bacteria and thus a food chain including fishes without sunlight

Dictionary of ichthyology. 2009.

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  • Oceanic trench — Oceanic crust is formed at an oceanic ridge, while the lithosphere is subducted back into the asthenosphere at trenches. The oceanic trenches are hemispheric scale long but narrow topographic depressions of the sea floor. They are also the… …   Wikipedia

  • Hydrothermal vent — Marine habitats White smokers emitting liquid carbon dioxide at the Champagne vent, Northwest Eifuku volcano, Marianas Trench Marine National Monument Littoral zone …   Wikipedia

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