they become less active in the cold
Mercury doesn't react to weather.
Animal react to weather changes for different reasons like cows know when it's going to rain so they lie down to keep the grass bellow it dry and warm as they don't want to lie on cold wet or damp grass when they begin to get tired it helps animals by reacting to weather they adapt also it helps them live better different animals adapt for different reasons
Gold fish will react to food. It is a fish. It also reacts to people sometime.
No. The different metals react with the water, and the byproducts are poisonous to fish. Only use natural rocks, glass or plastics
Most of the behaviors of fish are instinctual and are integrated into the DNA of the fish. Other skills and behaviors are learned by sight, smell and sound. By mimicking certain behaviors from watching the parent the fish can learn to react in different situations.
The reaction of the fish would depend upon too many variables to give an answer. The variables include what the species of the lone fish is and what the species of the other fish are and the parameters of the water, the type of container the fish are in, their sizes etc etc etc..
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fish will swim away or hide behind a rock or vegetation
They won't react at all, because fish need to be placed in room temperture water every time you change their water.
I Think The Dog Will React To Music The Most...Not Cat, Fish Or Bird.....=]
some of them but not in a bad way
they did react