Ключевые слова: ampullae of lorenzini, behaviour, black eye, carcharhinidae, clear water, close up, diver, echeneidae, galeocerdo cuvier, large eye, lemon shark, negaprion, ocean, predator, remora, remora remora, requiem sharks, sea bed, shallow water, shark, sharks, small eye, stripes, sucker fish, tiger shark, underwater, underwater shots, unusual angle, water,