How long can a blood parrot fish survive in low water temperature?
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Expert Answer
How long a blood parrot fish survives in low temperature depends on its constitution. It will not die immediately in low water, but too-low temperature lowers appetite and activity, gradually weakening it until death. As a tropical fish, 25 to 30 C is best for growth, and below 20 C threatens its life. Therefore, when the temperature is low, the keeper should promptly use a heater to keep the water suitable.