You should check what the surrounding environment is like: Examine the jars the fish are being kept in. See if the water is clean and clear in appearance, and with no traces of leftover food or too much excrement. Check and see that there’s no bad odors coming from the jar. Sometimes bad odors come from dead fish. Next thing you should do is carefully and thoroughly inspect the fish. Next, check its body: The fish should be free and clear of any type of lumps or unusual shaped bumps. its scales should be flat in appearance.

Healthy Fish Scales Are smooth

Look for fish with missing and loose scales letting you know of any trauma and illness it may have suffered. Look for white colored patches on its body which could indicate a serious fungus infection. See if its stomach is swollen. These symptoms oftentimes indicate that the fish is not healthy and well. What about the fins and gills? Check that there should be no type of discoloration, body tears or noticeable holes when its fins are fully extended. Sometimes it can hard to check properly because in the tiny bag used by pet stores it’s difficult for the fish to extend its fins. Nevertheless fins can get broken or torn because of the fact that they are mostly kept for long periods of time in jars usually too small for there needs. When a fish swims about their protruding fins can brush-up against the container walls and can break. You should also look very carefully at the “gills” that they look smooth and almost flat in appearance showing no signs of splitting and peeling.

Examine The Eyes

Make sure there’s no unsightly lumps or body discoloration. Healthy Siamese fighting fish are beautifully and bright colored and have no signs of discoloration. Whereas unhealthy fish tend to take on a pale appearance displaying spots and shades of discoloration usually seen along their body or on their actual face. Examine the eyes: A truly healthy fish will display very clear eyes. You shouldn’t buy any fish whose eyes appear either sunken or over bulging. These fish are usually very active and should float upright, unless they’re sleeping. Slowly bring the fingers of your hand close to your pet to make sure that it’s alive and alert. Please NEVER startle a fish by jabbing your finger into its bag in which the fish is stored, or by constant tapping on its bowl. Instead move one of your fingers slowly toward the fish and watch for its reaction. Try and be gentle and a bit subtle so that the fish isn’t traumatized at all. Remember, a strong and healthy fish is active and alert and will instantly react in one way or another to your movement if detected, although your fish may not always respond by flaring its fins. Find other helpful advice about lifespan