Ключевые слова: actinopterygii, alone, amazon, amazon basin, amazon river, america, american, animal, aquarium, aquatic, color, diving, eel, eels, electric, electricity, electrophoridae, electrophorus, fauna, fish, freshwater, grey, gymnotiformes, lake, life, marine, moray, natural, nature, one, one fish, orinoco, red, river, scuba, sea, snake, south america, swim, swimming, tropical, underwater, water, wild, wild life, wildlife, zoo,