CATDOLL : CATDOLL: What should I do if there are small white worms growing in the fish tank? Are they harmful to the small arowana?

1. What should I do if there are long and thin white worms in the fish tank? Is it harmful to the small arowana?

It is harmless to the little arhat, but it means that you change the water too slowly and the water is too rich.

Protein worms are a type of worm, an intestinal animal. Some fish (such as mandarins) will eat this type of worm. The cause of this type of worm is excessive fat in the water. If there are only a small amount, you can ignore it, but if there are too many, you must remove it.

It is best to change the water in the entire tank immediately. When changing the water for the fish, you must pay attention to the temperature and water quality. And thoroughly clean the fish tank with salt water, yellow powder or gentamicin solution, and then let the fish tank soak in salt water for a while.

Take all the fish to another tank or basin, and soak them in 0.3% salt water or gentamicin for 5-10 minutes. This can kill many parasites on the fish, and after soaking, you can put the fish back into the fish tank.

It may be that you feed too much and the fish cannot finish eating, so there is too much organic matter in the water. You should pay more attention to feeding in the future. If it comes with filter cotton, please replace the filter cotton.

2. What is the status of Arhats in Buddhism? What are their duties?

It can be regarded as a diploma of Buddhism

Arhat is also called Arahant

Equivalent to our bachelor's degree

Bodhisattva is a master

Buddha is of course a doctor.

3. My Luohan died of a boil on his head. What happened?

According to the symptoms you described and the photos you have seen, the situation of this fish is quite complicated. It is not a common gill rot, nor is it a symptom caused by a common nutritional deficiency. Although there are no photos of the gill filaments, based on experience, it can be basically judged that it is a series of symptoms such as difficulty breathing caused by the parasitism of the gill filaments by the spherical iodosporidium. Just like what you said, it always shakes its head as if it wants to throw something off. In fact, it is because the gills are uncomfortable and want to get rid of the parasites. This kind of parasite is not very common in arowana, and it is a more difficult disease. In addition, you used oxytetracycline to stimulate the parasite body. This drug itself is ineffective for it and cannot penetrate its cyst to enter the interior to kill the parasite body. It can be said that it has played a bad role.

You can try the following treatment method. I have had many effective treatment experiences:

First: separate the two fish, because if it is this parasite, it is contagious.

Second: 1. You can use copper sulfate and ferrous sulfate solution (copper sulfate: ferrous sulfate ratio is 5:2) for drug bath, and the concentration of copper sulfate is 0.7PPM (0.7g/cubic meter)

2. You can use high-concentration sulfur powder to apply to the affected area (this method may have adverse reactions, but the treatment effect is basically irreplaceable in China at present)

3. Whether you are doing a medicated bath or applying, you must use medicated bait in conjunction with it, adding 5% of the feeding amount of Artemisia annua powder or Stemona tuberosa powder (you can only feed medicated bait once a day, for a maximum of 7 days, as this type of medicine has a greater impact on the liver and kidneys)

Third: According to the growth conditions of such insects, gradually lower the temperature (within the tolerance range of fish), because I saw that the 32 degrees you mentioned is just within the high incidence range of such pathogens. When the temperature is below 15 degrees, they will stop growing and even fall off automatically.

Fourth: When the cysts disappear, post-treatment is very important. Continue with anti-inflammatory treatment. Generally, do not use the same antibiotic more than three times. The oxytetracycline you used is a type that is very easy to develop drug resistance. You can switch to enrofloxacin, amoxicillin, etc., which can be used externally or orally. Oral administration can achieve a higher blood drug concentration and the effect is better.

Fifth: Prevention is the key. Once infected, it is difficult to cure completely. Thoroughly disinfect the bottom sand of the fish tank and use small doses of medicated bait for prevention 1-2 times in early spring and late summer every year to achieve a relatively ideal effect.

I work in fish pathology and pharmacology. I hope my method can help your fish.