1. When you choose a lively, undamaged fish to purchase fish, you should purchase a lively and spirited fish, and do not choose to fish in the corner. To see if there are any injuries to the fish, especially to see if the caudal fins and spine are broken, it doesn't matter if only the tip of the fins is slightly injured. 2. Choose healthy fish for the health of the fish. Swimming posture, action, color, markings, etc., how to distinguish between good and bad, it is often more difficult for fish beginners. When selecting fish, you should pay attention to the following aspects: 1 Do not buy thin fish. Because from the front of the fish we can clearly see whether the back of the meat lacks a healthy luster, usually we have to choose healthy and lively shiny fish on the back. 2 Don't buy sick fish. White spot disease can be seen, and other diseases are difficult to see with the naked eye. This can only be discerned through the experience of fish farming. If elephants hide in the corner and breathe quickly, it is very likely that they are suffering from oval flagellate disease. Such fish should not be purchased. 3 The color of the fish is not good, the fins cannot be deployed, the swimming posture is like a floating fish, and do not buy it. 4 First observe the fish eating bait before buying. In the same species of fish, fish caught on the bait will have a good appetite. It must be a healthy, lifelike fish. 3. Do not buy fish that are too large or too small in shape. Fish that are too large in shape often do not easily adapt to changes in the new environment and often refuse to eat. If the bait is unsuccessful, it will die. Too small a fish with a weak constitution can easily die. 4. Fish with the following unusual conditions cannot purchase unnatural swimming postures. Stay in an unnatural place. Swim impatiently. Floating on the water, the mouth breathes one by one. Leave the group alone. Slow movement, behind the group. The back and abdomen are thin. The abdomen is abnormally swollen. Shortness of breath. 5. People who raise fish at the beginning should choose sea fish that are easy to raise. Do not choose fish that are difficult to keep. Black spider, net butterfly, three-hine, red clown, sun butterfly, red lightning. Three finches, big zebra butterflies, strawberries, knives, etc. The more difficult breeds are: four rockets and melon butterflies. Yellow bride, yellow belly and black back bride, blue line butterfly, four-point butterfly, saddle god, golden butterfly, eight-line butterfly, stone beauty, emperor and other gods.
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