Ключевые слова: animal, aquarium, aquatic, biology, camouflage, captivity, cephalopod, closeup, conservation, creature, cups, elusive, environment, exhibit, extension, habitat, intelligence, invertebrate, life, live, marine, mesmerizing, mollusk, movement, natural, observation, oceanic, octopus, sea, slimy, slipperiness, suction, tank, tentacle, tentacles, texture, underwater, vulnerable, water, zoology,