Youtube Video: 

Some ways to tell if a tropical fish is sick is through behavioral monitoring, looking for lethargy, not swimming around or resting at the bottom of the aquarium. Discover ways to find out if a tropical fish is sick with tips from an aquarium shop owner in this free video on aquariums.

Youtube Video: 

Fish ailments can be fungal or bacterial and are usually diagnosed by the color of growths or loss of coloration. Learn to figure out a fish's ailment with tips from an aquarium shop owner in this free video on aquariums.

Youtube Video: 

Checking fish for bacteria and fungus can be done visually but requires being familiar with fish enough to look for color changes and differences. Look for bacteria and fungus on fish with tips from an aquarium shop owner in this free video on aquariums.

Youtube Video: 

Before buying a fish, make sure to research and determine specific requirements being sought and to meet husbandry needs for that fish. Purchase a fish with tips from an aquarium shop owner in this free video on aquariums.