Hydrothermal vents are openings on the ocean floor where ... There are also ghostly white crabs, eyeless shrimp with light sensors on their backs, and fish that seem almost alien in form.

Yet amazing communities of life exist at hydrothermal vents and the so-called "black smoker" chimneys that, given the right conditions, rise above them like erupting stalagmites. Blind shrimp ...

Their expedition was to look for hydrothermal ... surrounding the hot vents and chimneys were thriving communities of strange species such as giant clams, eyeless shrimp, and colorful tube worms.