| Observed: | Anemones, Bacterial mats, Clams, Hi temp vents, Inactive vent deposits, Lo temp vents, Other worms, Sea cucumbers, Sea stars, Snails/Limpets, Soft sediment, Sponges, Tube worms, Urchins, Vent fish | Sampled: | ALVIN navigation, Bacterial mats, Clams, Hi temp vents, Snails/Limpets, Soft sediment, Temperature records, Tube worms |