To change the water in the aquarium in a dream, then in reality, in your life there will be changes. If a young woman dreams of a large aquarium in which beautiful fish float - a symbol that soon she will be married to a wealthy man, but the marriage in which she enters, will not be happy because of the lack of understanding between the spouses. If you are watching a cat trying to catch a fish from an aquarium, it is a sign that your attitude to reality is too light and this behavior can play a cruel trick on you, and you will suffer from your own connivance, perhaps it will affect your loved ones.