submersible, undersea, submerged, seabed, snailfish, aquanaut, submersed, bathyscaph, coral reef, lanternfish, submarine, scuba diving, manta ray, giant squid, mudflat, scuba diver, subaquatic, echo sounder, moray eel, marine, intertidal, floatable, scuba, great barrier reef, scuba dive, aquatic, neap tide, seabound, subsurface, stonefish, bathymetric, humpback whale, sperm whale, jellyfish, sting ray, waterproof, porpoise, briny, ocean sunfish, infrasonic, eagle ray, finback, nitrogen narcosis, aerial, nudibranch, fiddler crab, blacktip shark, oceanographic, subglacial, sunken, abyssal, diamondback terrapin, harbor porpoise, clownfish, estuarial, deepwater, barrier reef, narwhal, freshwater, fringing reef, arapaima, subaqueous, celebes sea, moray, finback whale, pygmy sperm whale, coastal, cetacean, weightless, antisubmarine, sea turtle, thresher shark, toothed whale, beaked whale, carcharodon carcharias, shortfin mako, aquatic mammal, stereographic, coral, hammerhead shark, shoreward, oceanic, shallow, tidal, oceanic whitetip shark, pteropod, subantarctic, scorpionfish, killer whale, damselfish, shark repellent, freshwater mussel, forepeak, hawksbill turtle, intracoastal waterway, cataract canyon, dusky shark, emersed, unexplored, smalltooth sawfish, whale shark, underwater archeology, underground, cumbersome, mechanised, robotic, immersed, infrared, mechanized, onshore, aboveground, designed, exterior, inshore, lightweight, manmade

., alder, antifouling, aqua-lung, aqualung, aquanaut, aquarium, bathyscape, bathyscaph, bathyscaphe, bathysphere, beaver, biscayne national park, buoy, butterflyfish, cousteau, diver, diving bell, diving dress, diving suit, fin, fins, fish tank, flipper, flippers, flying gurnard, flying robin, frogman, jacques costeau, jacques yves costeau, jacuzzi, marine archaeology, marine archeology, marine museum, minisub, minisubmarine, oceanaut, pillow lava, scuba, scuba diver, seagrass, seal bomb, seamount, skin-dive, skin-diver, skin diving, torpedo, underwater archaeology, underwater archeology, underwater diver, water milfoil

aquatic, subaquatic, subaqueous, submerged, submersed, subsurface