When fishing goldfish, the fish is injured by friction, the skin of the fish is injured by trauma or parasites, and infected by mold spores, thus inducing black spot disease.
prevent
In daily life, we should do a good job in the prevention of black spot disease, such as fishing and transportation, be careful not to hurt goldfish and avoid it being infected by parasites and germs. At the same time, a small amount of salt can be put in the aquarium for stocking new fish to inhibit the occurrence of water mold, and attention should be paid to cleaning and disinfection when feeding live bait, which can also better keep the water clean, isolate the growth of water mold and prevent goldfish from being infected with black spot disease.
therapeutic method
1. Sprinkle the mixed solution of 250g salt and 250g baking soda on the fish tank of 100cmx55cmx45cm (according to this ratio, goldfish will take medicine for several days), and the treatment effect is very remarkable.
2. Dissolve 0.3g malachite green or methylene blue in 100kg water and soak the fish in 10-20min.
3. Soak the goldfish with 2%-3% salt water once a day for 5- 10 minutes each time.
4. After mixing 2ppm potassium permanganate with 1% salt water and soaking the diseased goldfish for about 20-30 minutes each time, the effect of treating black spot disease is also very obvious.