Aquarium Lighting Q&A's, Q&A's
A newly introduced fish is lying on the bottom of the tank looking pale and breating heavily, what has happened?
The fish is suffering from an osmotic imbalance. Some fish adapt easily to rapid changes in salinity, while others become very distressed even when a long introductory period is observed. These fish should be left without disturbance, protected from other fish, and preferably with the tank lighting switched off. If in good health, the shocked…