| Observed: | Anemones, Bacterial mats, Basalt lava, Crabs, Lo temp vents, Octopus, Other worms, Sea cucumbers, Sea stars, Snails/Limpets, Sponges, Tube worms, Vent fish, Rattails | Sampled: | ALVIN navigation, Basalt lava, CTD records, Lo temp vents, Temperature records, Tube worms |