Symptoms: In terms of behavior, you will see a fish trying to scratch everything it can find. You will also see round transparent parasites attached to the body of the fish. Where the parasite used to live, there may be red or scarring areas.

The reason: these eight-legged parasites are lice (Argulus), which are attached through shoots, tear the skin and feed on fish. Eggs are laid away from the fish. Some say that they are often mistaken for algae, but if you look closely, you will see what they are when they are adults, as they seem green, but fry may not be so obvious.

Treatment: Adult parasites can be removed with tweezers as soon as the fish is removed from the aquarium. Treat the affected area with an antiseptic. You can then use the entire reservoir to control young and newly hatched pests using organophosphate such as dimlin (diflubenzuron), but this type of chemical is now banned in many countries.

I noticed that Parazin R, a drug suitable for the treatment of shellfish infections, was offered and it takes several weeks to effect because it is based on the life cycle of the parasite.

I also read about the treatment, in which fish are rubd with a paper towel about the parasite-stricken area, fish are submerged in water (the same temperature as the main reservoir), and all the parasites in this area are fish! Apparently, pests do not like dry conditions, so use a dry paper roll. It doesn’t hurt, so why not give it a try?


Symptoms: The affected parts of the body are the parts of the body where the mucus layer that protects the skin is damaged. You will see that cotton wool is stuck to the fish, or all the skin may look unclean. You can understand why it is also called cotton disease. Mushroom types usually include Saprolegnia, Achlya, Leptomitus and Pythium.

The reason: it is a secondary infection, as it often occurs after the initial injury, either when the parasite was active, or after the fish had a white spot. It can also be caused by poor water quality.

Treatment: You can use your own fungicide, such as phenoxyethanol, to treat individual fish in a hospital/quarantine pond, but try to determine the cause of the outbreak and take corrective action, otherwise it may flare up again. Salt baths are another alternative or local use of genciumviolet in the affected areas.

Gill moat (Dactylogyrus)

Symptoms: You will see how the fish rubs against objects to reduce itching. It can breathe quickly or ingest oxygen on the surface. As the disease spreads, the fish will become sluggish and try to isolate in the corner or stay at the bottom of the aquarium. He will lose food, his gills are inflated, and the gills can be kept open or closed.

Cause: Worm-like parasite up to 2 mm long affects and breeds in fish gills. He has hooks on his body to get into the flesh, causing damage and a possible bacterial infection. But the main effect is to reduce the ability of fish to breathe and get enough oxygen, which eventually leads to death.

Treatment: it is a contagious disease, so treatment of all fish is recommended. Since the parasite’s eggs are quite resistant, reprocessing is required to kill newly hatched worms within a few weeks. Fluke tabs are no longer recommended.

Praziquantel (Droncit (USA) or Drontal (UK) is preferable because they are safer for fish. Other treatments in the UK include Paragon (for lung and safe infections of shrimp and fish, snails) probably recommended subsequent bacterial treatment for any secondary infection caused by the parasite.

Hole in the head (hexathosis)

Symptoms: Since the disease can affect both the intestines and subcutaneous fiber, you can see white filamentous faeces and literally holes in the head of poor fish. The discussions are particularly sensitive. You can see how the fish floats upside down, its color can darken and it can hide upside down.

The reason: the culprit is a parasite named Hexamita. It lives in the intestines and can become a problem when the fish experiences stress and/or weakness due to poor environmental conditions.

Treatment: Metronidazole at a dose of about 500 mg per 10 gallons is a normal dose. First, dissolve the medicine in hot water. Several treatments may be required within two weeks, with 50 percent water replaced for each treatment. I have noticed that some people add malachite green to fight secondary infections.

As the disease is also internal, medicines for fish feed are also shown. 250 mg (0.25 g) of metronidazole per 25 grams of food is enough.

One of the most popular tropical fish is a kind of divine conversation. If you Google the disco fish, you are likely to be amazed by the diversity and survivability of these fish. If you’re new to a variety of chat types, this article is designed for you as a profile of some of the available types of drives.

The disco fish are brightly colored and have a distinctive shape resembling a CD or An Olympic disc. Another distinguishing feature of the discussed kind – a long length – about 25 cm. However, the care of discs can be a difficult task, and the discs – some of the most difficult to maintain the house.

You can get two main varieties: wild and cultural. The terms are wild and cultivated to their origin, natural habitat or their interbreeding.

Johan Hekel took the basis of the natural discus and was known as the first to discover the discus. It was a Heckel Discus disc. This type of disk has a dark strip on the side with a blue or red body. The descriptive name Green Discus has a wide range of shades of green with stripes or spots on the sides.

You meet the brownest disco. They are not the most inspiring because of their dim dark brown hue and just a few color spots. This is one of the strongest strands, so they are easier to store. If brown is not for you, the blue disco is the same fish, but bright blue.

Wild chat types can be of different shades and colors, but the real fun starts when you consider the many cultural types of chat. The albino disus with its stunningly white body and alluring red eyes is actually the newest addition to cultivated conversational strains.

If you want a little glitz and glamour in your home aquarium, Blue Diamond Discus is for you. With a juicy blue color all over the body, it also has much thinner fins than other discos. Hence the name – the sparks that it causes in the water when the light falls on its fins.

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